Prolific NASA astronaut Mike Fincke has announced his retirement from the U.S. space agency after 30 years of public service.

NASA announced Fincke's decision on Wednesday (Aug. 12), celebrating his contributions to spaceflight and long career of accomplishments.

“Few people have had the opportunity to shape as many chapters of NASA’s history as Mike Fincke,” NASA Administrator Jared Isaacman said that day in a statement. Fincke departs as NASA's fourth-most flown astronaut, racking up a cumulative 549 days in space over four separate spaceflights. During those, he performed nine spacewalks and served twice as commander of the International Space Station (ISS). Most recently, he launched as pilot on SpaceX's Crew-11 mission to the ISS, stepping into the role of commander for ISS Expedition 74 from August 2025 to January 2026.

Before his acceptance into NASA's 16th astronaut class in 1996, Fincke earned two bachelor's degrees from the Massachusetts Institute of Technology (MIT), in aeronautics and astronautics as well as Earth science, atmospheric and planetary sciences. Following his time at MIT, he did a summer stint at the Moscow Aviation Institute and later earned master's degrees in aeronautics and astronautics, and in planetary geology from Stanford and the University of Houston-Clear Lake, respectively.

Fincke also served in the U.S. Air Force prior to his career at NASA. He graduated from the U.S. Air Force Test Pilot School in 1994, then was assigned as a space systems engineer and flight test engineer at Edwards and Eglin Air Force bases in California and Florida, respectively. Those stints were followed by his role as U.S. flight-test liaison for the Japanese-U.S. XF-2 fighter program in Japan.

Following his two years of astronaut-candidate training, Fincke was assigned to NASA's Astronaut Office Station Operations Branch's Crew Test Support Team in Russia. There, he served as ISS CAPCOM (Spacecraft Communicator) and ISS crew procedures team lead until he began official spaceflight training in 1999.

His first rocket launch was aboard the Soyuz TMA-4 mission to the ISS in 2004, where he served as science officer and flight engineer for Expedition 9 and completed four EVAs (extravehicular activities, or spacewalks).

Fincke's second launch brought him back to the ISS in 2008, as a member of Soyuz TMA-13. It was then that Fincke took command of the space station for the first time. As Expedition 18 commander, Fincke added two more EVAs to his career total and oversaw the preparation of ISS facilities to begin supporting an increase from three-person to six-person crews.

Fincke was also aboard for the final launch of NASA's space shuttle Endeavour on the STS-134 mission in 2011, which returned him to the ISS for a third time. As mission specialist and robotic-arm operator, he supported the installation of the space station's dark-matter-hunting Alpha Magnetic Spectrometer (AMS) instrument, and performed three additional EVAs that marked the official completion of ISS orbital assembly and were the last-ever spacewalks by a space shuttle crew.

By 2014, Fincke was serving as chief of the Astronaut Office’s Commercial Crew Branch, where he played a key role in the development and testing of the SpaceX Crew Dragon and Boeing Starliner spacecraft. In January 2019, he was assigned to Boeing’s Crew Flight Test (CFT) mission as joint operations commander, and he remained on the prime crew until June 2022, when he transitioned to the CFT backup crew.

Fincke's most recent mission, Crew-11, launched to the ISS in August 2025. It was the second time he was appointed commander of the space station, this time for Expedition 74, but his stint, and that of the other Crew-11 astronauts, was cut short due to an unexpected medical issue.

Leading up to what would have been his 10th career EVA, NASA abruptly canceled spacewalk prep by Fincke and fellow NASA astronaut Zena Cardman after a "medical concern" arose that took priority over the planned station maintenance. Though not considered an emergency, the episode was deemed serious enough for NASA to return the Crew-11 astronauts to Earth earlier than expected, and Fincke and his fellow crewmates safely splashed down in the Pacific Ocean aboard their SpaceX Crew Dragon a week later.

During the mission, NASA did not reveal the afflicted astronaut's name and condition, citing privacy concerns. A little more than a month after Crew-11's return, however, NASA and Fincke revealed that he was the crew member who experienced the medical issue, which he later described as a temporary inability to speak, according to an Associated Press report. Fincke fully recovered from the episode and is now in good health.

“Mike approached every assignment with experience, humility, and an unwavering focus on the mission,” said Scott Tingle, chief of NASA's Astronaut Office, in the agency's announcement. “Whether flying aboard the station, supporting crews from the ground, or helping shape the spacecraft that future crews will rely on, he consistently strengthened our team. His legacy is woven into the way we fly today.”

NASA did not indicate if Fincke plans to continue his involvement with the space industry through the private sector, but did highlight his dedication to support humanity's drive to explore the cosmos.

"I remain deeply committed to the work of exploration," Fincke said in the statement. “NASA gave me the extraordinary privilege of serving alongside remarkable people, flying and helping develop spacecraft, and contributing to the International Space Station from its earliest days through command in orbit … I am excited to carry those lessons forward and help prepare the next generation of engineers, explorers, and leaders."

Supermassive black holes are best known for their immense gravity, pulling in everything that strays too close, even light. But new research suggests these cosmic giants can also hurl enormous amounts of energy outward, driving powerful disturbances that ripple hundreds of thousands of light-years through space.

A study led by Satoshi Yamada of Tohoku University in Japan found that winds generated by an actively feeding supermassive black hole are about 100 times more powerful than astronomers previously estimated.

These outflows, scientists say, inject an amount of energy comparable to several billion supernova explosions, driving turbulence through hot gas across distances of roughly 300,000 light-years —far beyond the boundaries of the host galaxy itself.

"Black holes are largely known for sucking matter in, but they also eject gas in the form of powerful winds," Yamada said in a statement. "These winds were thought to be contained within the galaxy, but our study revealed that the force is immensely more powerful than previously understood."

To measure the extent of those outflows, Yamada and his colleagues observed H1821+643, a bright quasar in the constellation Draco about 3.4 billion light-years from Earth. The galaxy hosting H1821+643 sits at the center of a dense galaxy cluster and harbors an active supermassive black hole estimated to be three to four billion times the mass of the sun.

During a weeklong observation in September 2024, Yamada and his team used XRISM, the X-ray satellite launched by Japan's space agency in 2023, to track the chemical signature of ionized iron atoms in the surrounding hot gas. By examining how the light from these iron ions stretched and broadened, the researchers were able to determine how fast the gas was moving and how turbulent it had become, according to the statement.

The observations revealed that the turbulence is driven by energy released from the quasar, with its effects reaching distances of about 300,000 light-years from the black hole, the study notes.

The result builds on years of observations of H1821+643, which is, in fact, the closest known quasar to Earth located within a galaxy cluster, according to NASA.

One of the more intriguing discoveries came in 2022, when observations of the black hole's spin using NASA's Chandra X-ray Observatory showed it rotates half as quickly as its smaller peers, which spin close to the speed of light.

"The million-dollar question is, why?" Christopher Reynolds, an astronomer at the University of Cambridge and co-author of the 2022 study, said in a statement at the time.

According to that study, one leading hypothesis is that giants like H1821+643 grew primarily through repeated mergers with other black holes arriving from different directions. Those chaotic collisions may have repeatedly disrupted the black hole's rotation instead of steadily spinning it up through a long-lived accretion disk.

While the exact origin of its sluggish spin remains an open question, the black hole's influence clearly extends far beyond its host galaxy.

"For the first time, we have shown that black holes influence the broader cosmic environment through a shock wave of astonishing power," Yamada said in the statement.

"Black holes are key drivers of gas flows and motion in space, transporting vast amounts of energy to different regions of the cosmos."

This research is also described in a paper published July 28 in the journal Nature Astronomy.

Not every canceled NASA program earns a halo after its demise, but one scrapped project is finding new life by contributing its parts to help the space agency achieve its moon base goals faster.

Northrop Grumman is repurposing hardware and technology from the Habitation and Logistics Outpost (HALO) space station module for use on a new series of Lunar Infrastructure Demo (LID) missions. HALO was originally designed as the habitation module for NASA's since-cancelled moon-orbiting Gateway space station but found itself on the chopping block when the agency restructured the Artemis program architecture earlier this year.

Rather than scrap the unfinished module outright, Northrop Grumman will adapt HALO's electrical and mechanical components to support the development of technologies for a moon base that can survive the cold, weeks-long night at the lunar south pole while sustaining the long-term habitation of astronauts inside.

Part of NASA's reasoning for canceling Gateway was the need for expedience. As the agency's vision for Artemis and the return of astronauts to the lunar surface has evolved, China's plans to land the first taikonauts on the moon have steadily taken shape. Those ambitions, and the continued progression of China's lunar program, have kicked off a new space race in which the U.S. and NASA are intent on maintaining their first-place position.

In March, NASA Administrator Jared Isaacman announced a shakeup to the Artemis program designed to enable a more step-by-step approach toward developing the technologies needed for a next-generation crewed lunar landing, and to achieve that landing on the shortest timeline possible.

That timeline currently puts the first Artemis lunar landing with astronauts on the Artemis IV mission, scheduled for late 2028. Before then, however, NASA is planning nearly two dozen uncrewed missions to the moon to lay the groundwork for the infrastructure needed to precede astronauts' return. And, rather than let HALO rust in a warehouse, Northrop is doubling down on its commitment to the cause.

"To help NASA move faster … HALO’s power, data and mechanical interfaces will enable NASA to move with speed and begin gathering real lunar surface performance data sooner," the company said in a press release on Aug. 4.

Northrop announced 3 LID missions to "reuse HALO-derived technologies to rapidly mature lunar surface power, thermal, autonomy, communications and hosted payload services," which will help NASA gather data to better protect robotics and crews during long-duration stints near the moon's south pole, where the agency plans to establish its Artemis moon base. Neither the company nor NASA gave a target timeline for these missions.

NASA is targeting the south pole specifically because of the abundance of water ice that scientists have detected in that region on the moon. When harnessed appropriately, such ice concentrations can be used for a variety of applications to enable sustainable habitation on the lunar surface — the ultimate goal of the Artemis program — including potable water, radiation shielding and rocket fuel.

NASA believes that overcoming the technological hurdle of "in-situ resource utilization" (ISRU), or the ability to rely on materials locally available to you in order to sustain your survival, is the gold standard of spaceflight that will open the door to humanity's long-term exploration of the cosmos. Manufacturing propellants off Earth, for example, would mean a substantial increase in the distance any particular mission to space can fly, because nearly 95% of a rocket's mass at launch is fuel. So, the ability to refuel in space, circumventing the burden of launching to orbit fully fueled, would give satellites and crewed spacecraft the ability to fly much farther into the solar system than current launch systems allow.

As much as Artemis is, in itself, a program to establish a permanent human presence on the moon, NASA also sees it as the proving ground for technologies that could one day sustain astronaut missions to Mars. There is worry, however, over the national security and economic consequences that could accompany China beating the U.S. to the moon, so speed is top of mind for those tasked with the country's lunar return.

"As America embarks on the next chapter in human space exploration, our Lunar Infrastructure Demos will help turn the moon into a place where astronauts can stay, work and make discoveries that benefit humanity,” said David Schiller, Northrop Grumman's vice president of civil space and sciences, in a statement. “Our ready‑to‑fly, reliable HALO technologies allow NASA to move faster, putting in place robust infrastructure that can endure the lunar night and establish a strong blueprint for a future moon base.”

Eighteen years later, it still gives me a jump scare, even though I know it's coming.

Agent Mulder, hot on the trail of a group of murderers who are harvesting their victims' organs, breaks into a makeshift laboratory in an attempt to save an abducted woman. He finds a gruesome scene of bodies on ice and surgeons, scalpels in hand, preparing to transplant the villain's head onto the abducted woman's body. Mulder turns and  — there it is! The villain's severed head on ice! And it opens its eyes.

It sounds less like a scene out of a science fiction mystery series and one more suited to a horror film. And that's precisely why Chris Carter, creator of "The X-Files", is revisiting the 2008 film "The X-Files: I Want to Believe" in a new R-rated director's cut coming to Hulu on Aug. 14.

Space.com got the chance to speak with Carter about the upcoming director's cut and the inspiration behind revisiting the standalone "X-Files" film nearly two decades after its release.

"I wanted to make the scary movie that I always had intended to make, intended to direct, and this is more in line with that," Carter told Space.com. "It gave me a chance to remember the making of the movie and what I had intended it to be, and how different it was from that original vision."

The director's cut features a new addition to the film's title  — "The X-Files: I Want to Believe  — Vrach Frankenshteyn". Carter said the name at the end (Russian for "Doctor Frankenstein") is a way of alluding to the tone and themes that he intended to focus on in the original film.

"It's a Frankenstein story, and the original inspiration for it was a doctor in Cleveland, Ohio, who transplanted the head of a monkey onto another monkey, and I thought that is perfect X-Files territory," Carter said.

Carter's original version of the film was re-edited two times in order for it to be released with the PG-13 rating that 20th Century Fox (now 20th Century Studios) insisted upon.

"When we first made the movie, we had a vision, and we tried to bring it to life. And when we took it to the executives at 20th Century Fox, they said, 'This isn't a PG-13 movie. This is torture porn.'

"And so we cut it back to what we thought was a PG-13 movie to placate the executives, and then we gave it to the motion picture censors, and they said this isn't a PG-13 movie."

With many of the horror elements cut or toned down, the 2008 theatrical release ended up focusing quite a bit of time on the relationship between Mulder and Scully  — a fan-favorite part of the series for sure, but not one that Carter intended to be so central to "I Want to Believe."

The film's plot centers on a group of women who go missing. When a disgraced priest begins having supernatural visions of the missing women, agents Mulder and Scully come out of retirement to take on another case full of mysteries and unexplained events. Their investigation finds them uncovering an illegal organ harvesting operation, bizarre life extension experiments conducted by a murderous mad scientist, and unexplained supernatural occurrences and synchronicities: classic "X-Files" fare.

But despite being rooted in the long-running themes of the nine-season series, the film is accessible for first-time "X-Files" viewers or casual fans (or its underrated spin-off).

Rather than diving into the dense, overlapping conspiracies that form the series' core mythology of alien invasion and the government cover-up that keeps it a secret, "The X-Files: I Want to Believe  — Vrach Frankenshteyn" is what is referred to as a "monster of the week" story. It's a standalone plot that doesn't require a deep knowledge of the series or its mythology to enjoy.

Interestingly, the film breaks with the tradition of director's cuts featuring loads of deleted scenes and footage that never made it past the cutting room floor. It actually features a shorter runtime than the theatrical release.

"And everyone asks me that; why is it with most directors' cuts they're always longer because they throw everything in that got cut out. In this case, I felt it could be streamlined a little," Carter said. "I lightened up a little bit on the Mulder and Scully relationship beats and focused more on the horror movie that we really wanted to make."

In keeping with "X-Files" tradition, the director's cut also leaves many of its core mysteries and supernatural elements unresolved. That central theme, the ongoing search for truth and meaning in a sometimes mysterious and unexplainable universe, reflects Carter's own views.

"I really think of science as a search for God, and there are so many big questions that are unanswered, and we are trying to find the answers to those things," Carter said. "And will those answered questions bring us closer to an idea or a how it how it all began? What came before the Big Bang?"

Perhaps in a case of life imitating art, another key theme of "The X-Files" has made its way into the halls of the White House and Capitol Hill in recent years.

The U.S. government has held several congressional hearings discussing disclosure of alleged UFO secrets. The Trump administration has even released dozens of files, images and videos of alleged UFOs, or UAPs, as they're now known. Conspiracy theories of all kinds, particularly when it comes to aliens, have become mainstream.

Does that mean the truth is really out there? It certainly shows that we, as a nation, want to believe. But whatever the case may be, it is that same wonder, the same drive to question authority and probe the unknown, that drives Chris Carter to explore "The X-Files" after more than three decades.

"In every conspiracy is the kernel of truth, and that's interesting to me as a storyteller," Carter said.

"The X-Files: I Want to Believe  — Vrach Frankenshteyn" debuts on Hulu on Aug. 14, 2026.

The night sky holds endless wonders, but few experiences match the thrill of photographing planets in vivid detail. With even a modest telescope and camera setup, you can capture cloud bands on Jupiter, the majestic rings of Saturn or the polar caps of Mars — images once the preserve of professional observatories. This technique, known as lucky imaging, records short video clips at high frame rates to freeze fleeting moments of steady air, then stacks the sharpest frames into one crisp photo.

No advanced skills are required to start. Whether you own a modest backyard telescope or are shopping for your first planetary camera, this guide provides everything needed to succeed. You will learn a complete workflow that takes you from set-up to finished image, explore why certain planets are easier than others and find answers to practical questions that beginners often ask.

Clear skies, patience and practice are your only limits. Soon you will be creating gallery-worthy shots right from home.

Step-by-step tutorial: Imaging planets with a telescope and camera

Planetary imaging relies on video capture rather than single long exposures. Follow these 12 steps for reliable results with most setups. Planning observations in advance is essential!

4. Locate and center the planet either manually or via GoTo. Use the finder scope or red-dot finder, then switch to a low-power eyepiece to bring the target into view and center it as best you can.

The best planets to target with your telescope and camera

Jupiter ranks as the top choice for beginners – and perhaps even veterans! Its large disk shows colorful cloud bands, the Great Red Spot and orbiting moons even in modest telescopes. The planet’s brightness and size tolerate average seeing well and reward those even with modest equipment.

Saturn follows closely. Its iconic rings and subtle atmospheric banding create dramatic images. While significantly dimmer than Jupiter, modest telescopes easily reveal its brilliant rings, and the belts and zones within the planet’s atmosphere.

Mars delivers excitement during its oppositions every couple of years. At closest approach the planet swells in apparent size, revealing dark surface markings, polar ice caps and occasional dust storms. Again, even small telescopes reveal fascinating detail when the planet is close to opposition.

Venus offers an easy entry point. Extremely bright and straightforward to locate, it displays clear phases like a miniature moon. Cloud features require ultraviolet filters, but the phases alone impress viewers — even binoculars show these phases clearly.

These four planets share key advantages: They appear large and bright enough for small apertures to record good detail on them. Jupiter, Saturn and Mars are the top three – all are fascinating objects to study for observers of all experience levels.

Handling the more challenging solar system targets, however, requires more advanced equipment and experience levels.

Mercury, Uranus and Neptune present greater challenges. Mercury stays glued to the sun’s glare, visible only briefly at dawn or dusk and best at maximum elongation. Its tiny disk demands exceptional seeing and precise daytime locating skills as well as a decent size telescope.

Uranus and Neptune appear as tiny blue-green disks. Their small apparent sizes require at least an 8-inch aperture telescope, longer focal lengths and higher magnification. Larger apertures gather more light, while monochrome cameras with filters help tease out subtle banding.

Upgrading to a 10-inch or larger telescope, a high-sensitivity monochrome camera and a filter wheel unlocks these distant worlds. Start with the easier quartet before investing further.

Frequently asked questions

When is the best time to image the planets?

Aim for nights when the target planet rides high in the sky — ideally near the meridian — to minimize atmospheric turbulence. Planets such as Jupiter, Saturn and Mars look largest and brightest around opposition, when Earth lies directly between them and the sun. But good seeing matters more than the calendar: stable air with low turbulence yields sharper frames regardless of season. Check forecasts and look for periods of high pressure with stable weather and calm winds. Planetary imaging works year-round on clear nights, but spring and fall often deliver steadier conditions. Light pollution is also irrelevant to this form of imaging, so it’s something you can easily undertake from urban locations.

What is the most basic setup you need to do this?

A 4- to 6-inch aperture telescope on a motorized mount — such as a Celestron NexStar 6SE or anything similar — provides an ideal starter platform. Pair it with an entry-level planetary camera like the ZWO ASI224MC, plus a 2x Barlow lens and a laptop running free software. Total beginner budget often stays under $800 if you already own the telescope. This kit can capture excellent Jupiter and Saturn images without breaking the bank. Skip expensive cooled cameras or large apertures until you gain experience.

How long does it take to get a good image?

The real key to achieving good image quality is everything you do before pressing the record button: Making sure the telescope is properly cooled down, ensuring it is properly collimated, taking time to focus carefully. All these factors play a huge role. Beyond this, it is largely down to the steadiness of the atmosphere when capturing. The steadier the seeing, the better the result will be!

Summary

We hope that, with a little practice, this gives you the know-how you need to take stunning images of the planets. If you've yet to purchase the necessary equipment, take a look at our guides to the best telescopes and best dedicated astrophotography cameras.

Virgin Galactic's next customers will have to wait a bit longer to get off the ground.

The suborbital space tourism company hasn't been to the final frontier since June 2024. It had been targeting late 2026 for the resumption of commercial service, but that's not going to happen, we learned on Wednesday (Aug. 12).

"We've moved our first commercial spaceflight to this coming February to allow additional time to complete avionics and systems installations," Virgin Galactic CEO Michael Colglazier said on Wednesday, during a call the company held to discuss its financial results for the second quarter of 2026.

"No single issue is driving the schedule push," he added. "Rather, we have experienced modest time-duration extension across hundreds of relatively small but important installation tasks involved in the first build of our new spaceship."

The coming mission won't be Virgin Galactic's first commercial spaceflight overall. That occurred in June 2023 and was performed by the company's VSS Unity space plane, which was retired a year later following its seventh operational, customer-carrying flight.

Rather, Colglazier was referring to the debut of the company's first "Delta class" vehicle, an advanced iteration that's designed to fly much more frequently than Unity ever did — twice per week, if all goes to plan.

Virgin Galactic is currently building two Delta planes, which will be broadly similar to Unity in most ways. They will be piloted vehicles that seat six passengers, for example, and will take off beneath the wings of a carrier plane. That mothercraft will drop the Delta vehicles at an altitude of about 50,000 feet (15,000 meters), after which they'll ignite their rocket motors and head to suborbital space.

Their suborbital jaunts will likely last 60 to 90 minutes, and they'll end with a landing at the same runway where they started.

The second Delta spaceship is expected to join the first one at Spaceport America in New Mexico — Virgin Galactic's commercial hub — in March 2027, Colglazier said.

Colglazier also announced that Virgin Galactic's latest "tranche" of passenger bookings was oversubscribed, demonstrating a continuing strong demand from customers despite the flight hiatus. The per-seat price for that tranche was $750,000 — a number that's no longer available.

"We have retired the $750,000 price point, and we plan to open a new tranche of spaceflight expeditions this fall at higher price points," Colglazier said.

He didn't say what the new price would be. But the jump could be considerable, based on recent history: The ticket price before $750,000 was $600,000, and the one before that was $450,000.

Virgin Galactic lost nearly $56 million in Q2 2026, the company announced in Wednesday's earnings call. That was an improvement over Q2 2025, when the company was about $67 million in the red.

But things should change considerably next year, according to the company.

"With our second [Delta] spaceship entering service, we continue to forecast that we will achieve a flight rate of 10 or more spaceflights per month by the end of the second quarter of 2027," Virgin Galactic Chief Financial Officer Doug Ahrens said during Wednesday's call.

"This flight rate is an unprecedented achievement in human spaceflight, and this is made possible with our highly reusable spaceship design," he added. "Given these flight rate expectations, we continue to forecast quarterly positive cash flow within 2027."

The outlook is even rosier over the long haul, Ahrens stressed.

"We expect each new spaceship to cost approximately $60 million to produce," he said. "Given a conservative lifetime estimate of 500 flights per spaceship, with six astronauts per spaceflight, average pricing of $600,000 per spaceflight expedition, and a contribution margin over 80% per spaceflight, each new spaceship has the potential to generate over $1.4 billion of lifetime contribution margin."

Virgin Galactic will be the only game in town once it gets back up and running. Its chief competitor in the suborbital space tourism business, Jeff Bezos' Blue Origin, recently put its flights on hold to focus on helping NASA return astronauts to the moon.

Blue Origin has never revealed its ticket prices, but Ahrens said they were believed to be in the $1 million to $2 million range.

"I don't think we need to be driving our prices up that quickly," he said. "But there is strong and solid demand, and we do expect each time we release a tranche of tickets, it will be priced higher than the tranche before. And that's appropriate, so I think you'll see us do that for a little bit longer."

The Perseid meteor shower peaked last night in spectacular fashion, dazzling stargazers as countless shooting stars blazed overhead mere hours after a total solar eclipse saw the lunar disk hide the sun over Greenland, Iceland and Spain.

Perseid shooting stars appear as Earth enters the debris trail cast off by the icy comet 109P/Swift-Tuttle. Each year, countless shards of this ancient comet collide with our wandering planet. What follows is truly spectacular.

Most are no larger than a particle of dust, or grain of sand. Yet the incredible velocity at which they strike our atmosphere — 37 miles (59 kilometers) per second on average — sees many carve a fiery path as they disintegrate in Earth's sky, which is easily visible to the naked eye.

Countless photographers were primed and ready to capture this magnificent display as Earth passed through the densest region of Swift-Tuttle debris trail, heralding the appearance of hundreds of shooting stars.

Read on to see a selection of our favorite photos of the 2026 Perseid meteor shower, taken in the beautifully dark nights surrounding the August new moon phase.

Best photos of the 2026 Perseid meteor shower

One of our readers sent in this gorgeous shot. Dimitar Birachoski, from Ohrid, Macedonia caught several Perseid meteors streaking over Galicica National Park on Aug. 12, 2026, using a Nikon Z6iii camera.

"I've got the Pleiades, Andromeda galaxy and Milky Way with the Perseids," Birachoski told Space.com via email.

Photographer Morteza Nikoubazl also caught a Perseid meteor streaking beside the famous Pleaides star cluster as seen from Semnan, Iran.

Meanwhile, a Perseid meteor was spotted as the setting sun illuminated the skies over the Negev Desert in southern Israel, on Aug. 11, 2026.

The Milky Way Galaxy also showed its face during the Perseid meteor shower over the Negev Desert on Aug. 11, 2026.

This long streak left by a Perseid meteor was photographed above Pedernales Falls State Park in Johnson City, Texas on Aug. 12, 2026.

A meteor (left) lit up the night sky during the Perseid meteor shower just hours after a total solar eclipse was seen from San Asensio, Spain on Aug. 12, 2026. 

Farther east, Ismail Aslandag caught a green meteor above Ucayak Church in Kirsehir, Turkiye on Aug. 12, 2026.

This long exposure captures Earth's rotation in the form of circular star trails. A Perseid "shooting star" lit up the swirling scene above Shaoguan in China's Guangdong Province on Aug. 12, 2026.

Farther north, photographer Fan Chengzhu saw a Perseid meteor streaking into the distance over Shitan Village in China's Anhui Province on Aug. 13, 2026.

Earth won't break free of Swift-Tuttle's debris trail until Aug. 24, so there are still plenty of Perseids to be seen brightening the summer sky if you're a little late to the show. Just be prepared for a significantly lower hourly rate compared to the peak.

Want to try your hand at capturing one? Then be sure to read our guide to photographing shooting stars, along with our roundups of the best cameras and lenses for astrophotography.

Editor's Note: Did you snag a photo of a Perseid and want to share it with Space.com's readers? Then please send your photo(s), comments, name and location to spacephotos@space.com.

On Aug. 13, 2014, a company called DigitalGlobe launched what was then the sharpest-eyed satellite of all time. WorldView-3 is a high-resolution imaging satellite that can resolve features as small as 1 foot (31 centimeters) across.

Its instruments allow it to peer through fog and smoke to see Earth's surface at a level of detail that was unprecedented for a non-governmental spacecraft. WorldView-3 lifted off on a United Launch Alliance Atlas V rocket from Vandenberg Air Force Base in California and has been orbiting Earth ever since.

Why it mattered

WorldView-3 pushed forward the technology of Earth-observing satellites. With its high resolution and ability to create mosaic images and deliver data in record time, the spacecraft changed the game in terms of studying Earth from space. While technology continued to advance beyond WorldView-3, it was a critical step in the process. For example, its data has helped researchers better track methane emissions coming from offshore oil and gas rigs, which is important as methane is a powerful greenhouse gas which contributes substantially to climate change.

WorldView-3's data is sorted by an algorithm that helps filter, process and color-correct images that might have been affected by atmospheric effects. With all of the imagery and data from satellites like WorldView-3, researchers can better track and understand contributors to climate change like methane plumes, as well as monitor deforestation and agriculture and study the spread and effects of natural disasters like wildfire.

Lastly, in an unexpected but amazing find, in 2015, archaeologists used data from WorldView-3 to discover what is thought to be a lost Viking village in Newfoundland. The near-infrared imagery captured by the satellite helped an international team to spot this village, which was only the second Viking settlement found in North America.

The total solar eclipse of Aug. 12, 2026 was one for the books. And this photo, snapped just as the eclipse was about to enter totality, really captures the drama of the moment.

What is it?

On Aug. 12, 2026, millions of people around the world witnessed a total solar eclipse. This happens when the moon passes in front of the sun, completely blocking it from our perspective here on Earth. (During a partial solar eclipse, only part of the sun's face is blocked by the moon.)

Observers lucky enough to be in the narrow "path of totality" that day got an experience they'll never forget.

Why is it incredible?

The chance to observe a total solar eclipse doesn't come along very often and is truly surreal and magical. While you might logically know that it's a predictable result of orbital dynamics, it's still incredibly strange in the moment to watch the sun disappear behind a black disk.

During totality, you experience a sort of false nighttime in the middle of the day. This can trigger strange responses from wildlife, with animals that are typically nocturnal coming out to see what's going on, confused about why night arrived at what feels like the wrong time.

Space.com skywatching editor Daisy Dobrijevic traveled to the Scoresby Sund off the coast of Greenland to experience the total solar eclipse from the deck of the MS Spitsbergen on the HX Expeditions eclipse voyage, and she's been taking us all along on her journey.

"I couldn't believe my eyes. I knew exactly what to expect — I’ve written about total solar eclipses countless times and given talks about them — but nothing prepared me for the feeling of actually seeing it," Dobrijevic said about her experience watching the eclipse. "I was completely in awe. As thin clouds drifted in towards the end of totality, they only added to the drama and emotion of an already extraordinary sight."

MINOR SPOILERS AHEAD! ANYONE YET TO WATCH "A CASE OF CHIAROSCURO" SHOULD PROCEED WITH CAUTION TO AVOID VIOLATING TEMPORAL PRIME DIRECTIVES.

You're on a top-secret mission to recover a lost Federation probe from enemy territory. A close encounter with a Klingon cruiser forces you into hiding on the surface of an alien world, which — thanks, in part, to the local star's radiation making everything appear stylishly monochrome — looks like it's been lifted from a classic 20th-century film noir. You dress up as one of the locals on this occupied world, and quickly learn that you're the spitting image of the leader of the local resistance. What are the chances?

This being "Star Trek", the odds are nowhere near as long as they could — and maybe should — be. In fact, the galaxy is so chock-full of doppelgangers, clones and lookalikes that it's a wonder Una "Number One" Chin-Riley hadn't encountered her double before the latest episode of "Strange New Worlds", "A Case of Chiaroscuro".

This may explain why Dr M'Benga doesn't think anything is particularly amiss. "In a universe as vast as ours, the real mystery is that we don't stumble onto our doppelgangers more often," he claims. "That we have found Una's is a momentary stroke of luck."

That said, the origin stories of Trek's previous escapees from the planet Xerox are usually a little more complex — and outwardly sci-fi — than coincidence. The matter transporters found on every Starfleet vessel, for example, have repeatedly given actors the chance to play two roles at once.

In theory, transporter tech breaks you down into your constituent atoms, beams those particles across space, and reassembles them in the right order at the other end. But, in the event of a glitch, transporter rooms effectively become highly sophisticated 3D printers, creating duplicates indistinguishable from the original beamee.

In the "Original Series" episode "The Enemy Within", James T Kirk is split into two versions of himself, one good, the other evil. In this metaphysical exploration of self, it turns out you can't have one half without the other, forcing Spock and co to reintegrate the two Kirks in order to save their captain.

Will Riker also experiences transporter-induced imposter syndrome in "The Next Generation" episode "Second Chances". He learns that a beaming error on the USS Potemkin created an exact facsimile eight years earlier, and Riker 2.0 has been living alone on the remote Nervala IV ever since. Alas, this alt version (who opts to go by the name of Thomas) doesn't find it easy living in the shadow of the Enterprise-D's highly commended first officer, and eventually quits Starfleet to defect to the Maquis resistance organization.

When Bradward Boimler experiences similar duplication issues in "Lower Decks", it's his double, William, who makes better use of their resources. He ultimately finds himself in the captain's chair of a top-secret Section 31 vessel staffed by doppelgangers from alternative realities, including "Deep Space Nine"'s Dr Bashir, "Enterprise"'s T'Pol, and multiple incarnations of "Voyager"'s perennial ensign, Harry Kim.

"Trek"'s parallel universes are arguably even more conducive to duplication than transporter accidents. Indeed, even the Harry Kim who eventually makes it back from the Delta Quadrant in "Voyager" is an alternative version, transferred from a USS Voyager slightly out of phase with the original. (To be fair, OG Harry had just been sucked into the vacuum of space, so the switcheroo was easy to justify — and good news for actor Garrett Wang.)

But "Star Trek"'s most famous doppelgangers from another dimension hail from the infamous Mirror Universe, where the morally dubious Terran Empire crushes non-Earthers under a bloodthirsty boot — while the Federation traditionally comes in peace, these guys make no secret of their love of shooting to kill. Crews from "Enterprise", "Discovery", the Original Series, "DS9" and "Prodigy" have all come face to face with their evil twins. Few imposters have been quite as easy to spot as Terran Empire Spock, however, whose trademark goatee is something of a giveaway.

Shapeshifters are even trickier customers, seeing as they can — in theory — take the form of anyone they want. Kirk shares facetime with himself when Chameloid Marta impersonates him while messing up their attempt to escape the Rura Penthe penal colony in "Star Trek VI: The Undiscovered Country".

"I can't believe I kissed you," says Kirk. "Must have been your lifelong ambition," Kirk replies — sort that one out, Sigmund Freud.

The metamorphing Changelings of the Dominion also prove a particularly tricksy enemy in "Deep Space Nine", thanks to their ability to replicate everyone from Dr Bashir and General Martok to the Federation's in-house shapeshifter, Odo.

And then there's "Trek"'s dalliances with the more traditional sci-fi trope of cloning, the most famous example showing up just in time for "The Next Generation" crew's final mission.

The Big Bad in the 2002 movie "Nemesis" is Shinzon, a Jean-Luc Picard duplicate created by Romulan scientists to infiltrate the Federation. The irony, of course, is that this clone looks nothing like the source material. In fact, the chances of anyone buying that Tom Hardy will one day look like Patrick Stewart are close to zero — Dr M'Benga may believe that we should bump into our doppelgangers more often, but even he wouldn't fall for that one.

New episodes of "Star Trek: Strange New Worlds" debut on Paramount+ on Thursdays.

Yesterday (Aug.12), millions of people enjoyed a total solar eclipse as it swept across parts of Greenland, Iceland and Spain, while a partial solar eclipse was visible across much of Europe and northwest Africa.

If all that eclipse excitement has you eager for more, the good news is you won't have to wait long, because two remarkable solar eclipses are coming in 2027. First comes a dramatic "ring of fire" annular solar eclipse on Feb 6, followed six months later by the total solar eclipse on Aug. 2 — an event many eclipse chasers are already calling the "eclipse of the century".

First up, a dazzling "ring of fire"

On Feb. 6, 2027, an annular solar eclipse will be visible across parts of Chile, Argentina and the coastal parts of West Africa, while the partial phase of the eclipse where the moon takes a "bite" out of the sun will be visible across South America and West Africa.

An annular solar eclipse happens when the moon passes directly in front of the sun when it is slightly farther away from Earth than during a total solar eclipse. As such, the moon appears a little smaller in the sky and doesn't completely cover the sun, leaving a brilliant ring of sunlight around the moon's silhouette, the "ring of fire".

The "eclipse of the century"

If the "ring of fire" eclipse wasn't enough, 2027 serves up another, even more spectacular eclipse.

On Aug. 2, 2027, the moon's shadow will race across southern Europe, North Africa and the Middle East, treating skywatchers with one of the longest total solar eclipses of the century. At its greatest point, totality will last an extraordinary 6 minutes and 23 seconds — more than twice as long as many other total solar eclipses.

Combined with favorable August weather across parts of North Africa, it's easy to see why many eclipse enthusiasts are already planning their trips in advance.

If you're thinking about experiencing the Aug. 2, 2027 total solar eclipse for yourself, now is the perfect time to start planning. We've rounded up expert travel tips to help you choose the best viewing location and avoid common pitfalls, as well as 10 unforgettable tours and experiences that will put you right in the heart of one of the greatest celestial events of the century.

Satellites high above Earth may soon have fewer places to hide.

San Francisco-based company Astranis announced today (Aug. 13) that it's developing a line of spacecraft called Perceptor, which will keep an eye on satellite activity in geostationary orbit (GEO).

GEO lies 22,236 miles (35,786 kilometers) above Earth, an altitude at which orbital speed matches our planet's rotational velocity. It's therefore a popular destination for communications, weather and reconnaissance spacecraft — and, increasingly, an arena for off-Earth spying, as space powers seek to keep tabs on their competitors' activities.

Astranis currently operates five satellites in this distant orbital realm, which "support the U.S. military, bring connectivity to remote areas and provide critical capabilities like GPS," according to the company's website.

It plans to leverage and extend this expertise with Perceptor, helping the U.S. government and other potential customers learn more about what's happening high above our heads. The new line will be based on Astranis' "MicroGEO" satellite platform, so named because it's smaller than typical GEO craft.

"Astranis provides mission-critical infrastructure for strategic higher orbits. What we found is our means to detect and respond to emerging threats to this infrastructure are sorely lacking," John Gedmark, Astranis' CEO and co-founder, said in a statement today.

"There are blind spots that will be used against us if not eliminated," he added. "With Perceptor, we're meeting the increasing demand for security in GEO with our proven on-orbit platform and ability to produce at scale."

Perceptor spacecraft will sport a variety of sensors, which will allow them to take the measure of other satellites and their broader GEO surroundings.

"Multi-angle flybys can assess spacecraft capabilities, help troubleshoot anomalies on friendly spacecraft, and provide additional eyes in a domain where awareness has historically been limited," Astranis' statement reads.

Each Perceptor will also be highly maneuverable, using electric propulsion "to traverse the full GEO arc, repositioning dozens of times over its mission lifetime," company representatives added.

The statement does not provide a target timeline for the first Perceptor missions. But the need for such a capability already exists, as the activities of certain Russian and Chinese satellites show.

In 2020, for example, officials with the U.S. Space Force announced that two Russian spacecraft got within 100 miles (160 kilometers) of an American spy satellite, behavior the branch's then-chief described as "unusual and disturbing."

And, in 2023, experts announced that China's TJS-3 GEO spacecraft had taken close looks at USA 233 and USA 298, both of which are thought to be Space Force spy satellites.

For the generation that grew up in the 1980s, the release of the recent big-budget "Masters of the Universe" movie would undoubtedly have conjured up a sense of déjà-vu.

Picture the scene. The year is 1987. You've got the action figures and the Castle Grayskull playset, you've watched every episode of the cartoon again and again, and you can recite He-Man's opening credits voiceover by heart. He has the power!

Then someone tells you there's a live-action film adaptation coming out.

You persuade your parents to take you to the theater, pick up a great big bucket of popcorn, and get ready to be transported to the familiar surroundings of Eternia. And then…

Well, it's fair to say this is not the "Masters of the Universe" you know and love. Sure, leading man Dolph Lundgren is big, but why does he look and dress nothing like He-Man? Who's that Gwildor guy, and what the hell happened to Orko, BattleCat and Prince Adam? Why do He-Man and Skeletor spend so much of the movie on planet Earth? And when are we going to hear that famous theme tune? (Spoiler: you won't.)

By the power of Grayskull, this was not the film '80s kids expected, or indeed wanted. But disappointing a pre-teen fanbase was the least of "Masters of the Universe"'s worries. Sales of Mattel's previously all-conquering toyline were way past their peak, while the appetite for films trying to capture "Star Wars"' unique blend of sci-fi and fantasy had all but disappeared. Perhaps more importantly, "MOTU" 1987 had been bankrolled by an ambitious but eccentric studio, whose efforts to break into the mainstream had left it in a financial state so perilous that not even the most powerful man in the universe could save it.

"Masters of the Universe" was one of the undoubted pop culture success stories of the 1980s. Although Mattel had made the mistake of turning down the licence to make "Star Wars" toys, the toy giant responded in spectacular style by launching a fantasy behemoth of its own in 1982. He-Man, Skeletor and their Eternian colleagues would soon become household names, largely thanks to the advertising power of an immensely popular cartoon series.

Decades before "Transformers", "The Lego Movie" and "Barbie" made big money at the box office, producer Edward Pressman had seen the potential in taking a toy franchise to the big screen. There had been early interest in "He-Man" from major studios (including Warner Bros), but — largely thanks to delays caused by management changes at Mattel — interest had waned by the time Cannon Films stepped in to foot the bill.

Throughout the '80s, Cannon had become more renowned for the quantity of its output than the quality, as a pair of ambitious Israeli cousins, Menahem Golan and Yoram Globus, invested in unashamed B-movies like "Enter the Ninja", Charles Bronson's "Death Wish" sequels, and Chuck Norris vehicle "The Delta Force". The studio had around 40 movies in production at the time "Masters of the Universe" got the green light, but was keen to make a move on tentpole blockbuster territory. As well as financing the disastrous "Superman IV: The Quest for Peace", Cannon had also paid Sylvester Stallone a record-breaking fee to headline arm-wrestling drama "Over the Top". Both flopped at the box office.

Despite being "a little bit reluctant because it was [based on] a toy line", Stallone's "Rocky IV" co-star Dolph Lundgren signed up to play the mighty He-Man. The Swedish actor looked more like the lead singer of a hair metal band than the sword-wielding hero of the cartoons, though his impressive physique (coupled with He-Man's scanty wardrobe) ensured it was hard to find a convincing stunt double.

Director Gary Goddard also became concerned that his leading man (topping the bill for the first time) wasn't delivering dialogue as he wanted, and subtly chopped some of Lundgren's lines. He reasoned that heroes played by Clint Eastwood are often men of few words, with their sidekicks usually the ones supplying the supplemental information.

There were never any doubts about the man playing He-Man's nemesis, Skeletor, however. Frank Langella had caught Goddard's eye in "Amadeus" on Broadway, and — buried under some impressive make-up — relished the opportunity to ham it up as Eternia's villain-in-chief. But this dark, calculating interpretation was a universe away from the cackling, frequently thwarted bad guy of the cartoon series. It wasn't the only way the film would completely lose track of what had made kids fall in love with the "Masters of the Universe" brand.

Even in 2026, with the help of CG effects and a colossal budget, the new "Masters of the Universe" had to pick and choose which classic Eternians — including Mekaneck, one of the weirdest "Masters of the Universe" characters — made the transfer to the big screen.

Spare a thought, though, for the 1987 fans who had to make do with (on Team He-Man) Man-at-Arms, Teela and the Sorceress; and (on Team Skeletor) Evil-Lyn and Beast Man.

Hovering wizard sidekick Orko was replaced by a new character, Thenurian inventor Gwildor, while Skeletor's rogues' gallery was expanded to the tune of lizard man Saurod, the sword-wielding Blade, and the not-sure-what-he-is Karg. Long-standing favorites like Trap-Jaw, Tri-Klops, and Mer-Man were conspicuous by their absence.

Skeletor was supported by legions of laser-wielding, Stormtrooper-esque soldiers, though — thanks to Mattel's mandate that He-Man couldn't kill anyone — these were robots rather than people. He-Man also tended to favor a laser gun of his own, mostly keeping his famous Sword of Power for show. He didn't even need the sword for a big transformation moment, seeing as alter-ego Prince Adam and his green tiger BFF Cringer were conveniently jettisoned from the story.

The movie's biggest problem, however, was arguably transferring the action to Earth. This didn't contradict franchise mythology (He-Man's mom, Queen Marlena, had long been established as an astronaut from Earth), and the new film has followed suit by bringing Adam to Oklahoma City. But in "Masters of the Universe" 1987, the decision simply made the action feel small — despite the best efforts of legendary "Star Wars" effects veteran Richard Edlund.

Human teens Courteney Cox (the "Friends" star's first movie role) and Robert Duncan McNeill ("Star Trek: Voyager") did their best to grapple with an extended visit from walking, talking action figures, but you'd never know this was a He-Man movie if people didn't keep saying his name.

When Eternia did get a look in, it exposed the film's financial limitations, as over-investment and a series of expensive flops started to catch up with Golan and Globus. Goddard had wanted to shoot exteriors in Iceland to capture a more otherworldly vibe but had to make do with a few days at Vasquez Rocks (a location near Los Angeles that frequently doubled for alien worlds in "Star Trek") towards the end of production.

Money was so tight that, on the final scheduled day of the shoot, the plug was pulled as soon as the clock struck midnight, before Goddard had all the coverage he wanted. The director later admitted that he made a deal to stump up $50,000 of his own money (a sum matched by Cannon) to fund one last day of shooting on He-Man and Skeletor's climactic battle. At least the film would have an ending…

But was it worth it? "Masters of the Universe" made a disappointing $17.3 million at the US box office. It was just the 65th highest-grossing release of 1987, and some way behind infamous stinker "Jaws: The Revenge". It certainly wasn't enough to save Cannon, which had sold off a large chunk of its film library earlier that year in order to stave off bankruptcy. The studio (by then known as Cannon Pictures) would release its final film in 1994.

"The Cannon boys were very charismatic and very ambitious," Lundgren recalled in the documentary "Electric Boogaloo: The Wild, Untold Story of Cannon Films".

"They were guys who came to Hollywood to take it over in a quick sort of way, perhaps not playing by all the rules but sometimes that works, and it worked for a while for these guys too. 'Masters' was their big shot, and even though it didn't reach the heights they'd wished for with 'Star Wars' and so forth, I think it's still a decent picture compared to some of the others they made. 'Masters' certainly beats 'Superman IV' in watchability."

"Masters of the Universe" 1987 is available to stream on Prime Video in the US and on Prime Video and ITVX in the UK.

And just like that, it's over.

Total solar eclipses are incredible moments in time, but they are fleeting. As the moon passes directly in front of the sun and its shadow sweeps across Earth's surface, the temperature drops and the light takes on an eerie twilight quality. Birds and other animals go quiet. It's a spectacle unlike any other. And for millions today who were lucky enough to be in the path of totality across Greenland, Iceland and Spain, that's exactly what they experienced.

"I cannot believe what I just witnessed. I knew what to expect  — I've seen thousands of photos but nothing compares to that feeling you get when you watch the sun transform before your very eyes," Space.com skywatching editor Daisy Dobrijevic said after watching the eclipse from the deck of the MS Spitsbergen on the HX Expeditions eclipse voyage in Scoresby Sund, Greenland on Aug. 12, 2026.

"It looked so big in the sky with the delicate corona streaming out into the abyss. Jupiter, Mercury and Venus even joined in the show. The huge prominence was the icing on the cake," Dobrijevic added.

"This is something I will never forget and I feel privileged to have experienced it in one of the most remarkable environments on Earth and alongside an incredible group of people aboard HX Expedition's MS Spitsbergen."

The 182 mile-wide (293-kilometer) path of totality — the line "drawn" on the face our our planet by the moon's shadow — began near Siberia over the Arctic Ocean and first arced down into eastern Greenland.

From there, the path stretched across western Iceland and then into northern Spain where millions gathered to witness the spectacle.

"It was the most incredible thing I've seen in my entire life," said Space.com skywatching writer Anthony Wood after witnessing the eclipse from Valoria la Buena, Spain alongside a team of citizen scientists from the Dynamic Eclipse Broadcast initiative. "It feels like it really shouldn't be happening. It strikes the lizard part of your brain that just tells you that this shouldn't be real."

The path then crossed the Balearic Islands just east of Spain before ending over the Mediterranean Sea as the sun set.

Eclipse-watchers inside the narrow path of the moon's shadow were given a rare naked-eye glimpse of the sun's outer atmosphere, known as the corona. Witnessing the crown-like shape of the corona stretching away from the dark shadow of the moon is one of the most breathtaking moments of an eclipse. Photographs don't do it justice, as they rarely do.

Outside of the path of totality, skywatchers throughout Europe and Scandinavia were able to catch a glimpse of a partial solar eclipse — in which the moon appears to take a "bite" out of the sun.

Space.com's Harry Bennett captured the partial eclipse from a hilltop in Somerset, England, shooting the scene with a Unistellar Equinox 2 smart telescope equipped with a solar filter.

The partial solar eclipse was also visible for much of the northeastern United States and as far west as Michigan. Much of Canada got to witness the partial eclipse too, and so did Alaska.

What causes a total solar eclipse?

A total solar eclipse happens when the moon passes directly in front of the sun as seen from Earth. When this alignment happens, the moon casts its shadow along a line known as the path of totality. Only within this stripe will you be able to experience full totality.

Another factor to consider is that the moon has an elliptical, or oval-shaped, orbit. This means that it's sometimes closer to Earth than other times. Total solar eclipses only occur when the moon is at just the right distance from Earth, making it appear the same size in the sky as the sun (or even slightly larger). This obscures the blinding light of the sun, allowing viewers to glimpse our star's outer atmosphere, or corona.

When the moon is a bit farther away from Earth, it appears relatively smaller. And when solar eclipses fall on a date when the moon is at this greater distance from our planet, the moon doesn't completely block the sun. This creates what's known as an annular solar eclipse, or a "ring of fire" in the sky.

When is the next total solar eclipse?

The next total solar eclipse will occur on Aug. 2, 2027 and will be visible throughout a 160-mile-wide (258-kilometer) path that crosses southern Spain, northern Morocco, northern Algeria, northern Tunisia, northeast Libya, central Egypt, the northeastern tip of Sudan, southwest Saudi Arabia, Yemen and the northeastern tip of Somalia.

Outside of this path, a partial solar eclipse will be visible to most of Europe, much of the African continent, the Middle East, Southeast Asia, eastern Canada and parts of Maine.

In North America, the next total solar eclipse will take place on March 30, 2033, and will be visible from Alaska. Looking farther out, the U.S. states of Montana, South Dakota, North Dakota, and areas of Canada will witness a total solar eclipse on Aug. 23, 2044.

Submit your eclipse photos! If you captured a photo of the Aug. 12 total solar eclipse and would like to share it with Space.com's readers, send photos, videos, a brief description of your experience, and your name, location and content usage permission release to spacephotos@space.com.

The first breathtaking photos of totality for the total solar eclipse 2026 are pouring in, revealing incredible views of the sun's atmosphere radiating out from behind the moon's colossal silhouette.

Eclipse chasers have spent the past few hours watching in awe, as the moon transformed the sun into an incandescent crescent in the run up to totality, before swallowing it entirely in the skies over Scoresby Sund, Greenland as seen from the deck of the MS Spitsbergen on the HX Expeditions eclipse voyage.

Read on to see spectacular photos of the sun's corona glowing in the false twilight of totality. And be sure to stay with us in the coming hours as the moon's central shadow sweeps over Europe, before ultimately disappearing from view off the north coast of Africa at 2:34 p.m. EDT (1834 GMT).

First photos of totality

The first photos of totality revealed the sun's corona, visible thanks to the moon blocking most of our star's light.

Luckily, weather cooperated for the eclipse chasers on the MS Spitsbergen on the HX Expeditions eclipse voyage in Scoresby Sund, Greenland.

Space.com's own skywatching editor Daisy Dobrijevic was onboard, capturing the first images of totality.

As the moon drifted past the sun, the first glimpses of the sun began to reveal themselves as the path of totality moved onwards towards Spain.

We'll have more coverage on our total solar eclipse live blog throughout the day, including reports from Skywatching Editor Daisy Dobrijevic as she catches the entirety of the eclipse unfolding in the skies over Greenland aboard an HX Expeditions cruise ship.

Skywatching Writer Anthony Wood will also be giving you the live updates from his vantage point in central Spain, where the eclipsed sun will set below the horizon just a few short hours from now.

Editor's Note: If you would like to share your eclipse photos with Space.com's readers, then please send your image(s), comments, name and location to spacephotos@space.com.

A radiation-shielding vest might one day protect astronauts from dangerous, random outbursts from the sun, a new study finds.

More than 50 years after the final Apollo mission, NASA's Artemis program aims to return humans to the moon. To succeed, this project must protect astronauts from solar radiation, especially the intense and unpredictable radiation from solar storms. Coating an entire spacecraft with a meaningfully thick layer of radiation shielding remains impractical due to weight constraints, but wrapping astronauts in protective garments may potentially be helpful.

In the new study, researchers experimented with the AstroRad vest, which was designed by the Israeli startup StemRad with support from the Israel Space Agency and aerospace giant Lockheed Martin. The garment was created to protect astronauts from explosions from the sun known as solar particle events.

"Radiation in space is unavoidable, and a single major solar particle event can make a substantial contribution to an astronaut's lifetime risk of radiation-induced cancer," study co-author Oren Milstein, CEO and co-founder of StemRad, told Space.com. "By significantly reducing that contribution, personal shielding could be particularly important for future lunar and Mars missions."

When it comes to protection against radiation, lead is excellent at blocking hazardous forms of light, such as X-rays and gamma rays. However, lead is much less effective at defending against the kinds of dangerous particles that can hurtle through space. For instance, when fast high-energy electrons known as beta particles strike dense lead atoms, they can trigger a shower of X-rays that are more harmful than the beta particles themselves. And if neutrons strike lead atoms, they can knock loose a spray of neutrons from the atoms' nuclei, worsening the impact from the radiation.

Instead, AstroRad relies on a high-density plastic rich in hydrogen. Among the elements, hydrogen possesses the highest density of electrons per atom, which can help create a dense shield to protect against incoming particles. At the same time, hydrogen atoms normally do not have neutrons, so if neutrons hit them, they cannot generate the kind of dangerous neutron sprays that can happen with lead atoms.

Moreover, the plastic in AstroRad is much lighter than lead. This makes it easier to move around in garments incorporating the plastic, and more practical for space missions in which weight is a major limitation.

The scientists combined thousands of hexagonal rods of the rigid plastic together like scales to create a flexible garment. All in all, each vest weighed about 57 pounds (26 kilograms).

The scientists developed a vest rather than a full-body suit or a helmet because "different organs and tissues have very different sensitivities to radiation, so shielding every part of the body equally is not the most effective approach," study co-author Jordan Houri, lead scientist for space exploration at StemRad, told Space.com. "At the same time, a full-body suit would be much harder to put on and move around in."

The shielding thickness of the AstroRad vest was based on how sensitive to radiation the underlying organs were. This strategy provides about a 30% greater reduction in the dose of radiation a person receives compared with distributing the same amount of shielding uniformly across the body, Houri said.

The researchers tested their vest during NASA's uncrewed Artemis I moon mission in late 2022 using a pair of extraordinarily complex dummies called phantoms. These artificial torsos were constructed of plastics that mimicked the density of human tissue, bone and organs, and each was equipped with more than 5,600 radiation sensors on and in them.

The two phantoms were designed to be adult females, since previous research found that breasts and ovaries are especially susceptible to radiation damage.

"Women are predicted to face a higher risk of radiation-induced cancer," Milstein said. "Targeted shielding could help narrow that difference in risk between male and female astronauts."

Since the phantoms mimicked women, they were given women's names, Zohar and Helga. "Helga was contributed to the experiment by the German Aerospace Center, and Helga is a traditional German name," Milstein said. "Zohar was contributed by the Israel Space Agency, which selected the name through a public outreach campaign. Zohar is a traditional Hebrew name meaning 'radiance,' which we thought was particularly fitting."

Zohar and Helga flew seated in NASA's Orion spacecraft; Zohar was equipped with an AstroRad vest, while Helga was not. Although Orion did not encounter a significant solar outburst during its 26-day mission to lunar orbit and back, the researchers were able to extrapolate how much solar radiation astronauts might experience based on what the phantoms encountered passing through the inner Van Allen belt of radiation surrounding Earth.

When the scientists analyzed past solar particle events, they found the AstroRad vest would have significantly reduced the dose of radiation a person during those outbursts — for instance, by nearly 60% for a solar particle event that happened in August 1972.

"We had originally anticipated something closer to 45%, so when we first saw the result, we thought we needed to go back and find an error," Houri said. "Instead, the detailed analysis showed that AstroRad's approach of providing targeted shielding to the most radiation-sensitive organs and tissues was even more effective than we had projected."

Such a reduction could spare astronauts the equivalent of up to 193 days of deep-space radiation exposure. "The most important implication is that AstroRad could help overcome one of the major health challenges limiting long-duration human exploration beyond Earth," Milstein said.

AstroRad is not something astronauts would wear continuously throughout an entire mission, Houri said. "AstroRad was developed as an emergency countermeasure for solar particle events, so astronauts would only wear it when radiation levels are elevated, typically for periods of hours or days," he explained.

Still, "although it is not something astronauts would need to wear throughout an entire mission, we designed the vest to remain usable for many hours at a time," Milstein said. During tests with the vests on the International Space Station, "several crew members even slept with it on."

The level of radiation protection the AstroRad vest provided was similar to that supplied by the Orion spacecraft's onboard storm shelter, "while allowing the astronaut wearing it to leave the shelter and continue mission-critical tasks," Houri said. "AstroRad can be used on its own or together with a shelter, but one of its main advantages is that an astronaut can remain protected while moving around the cabin and carrying out essential mission operations rather than remaining inside the shelter."

The scientists are now investigating whether it is possible to manufacture radiation shielding in space using onboard materials. For instance, in collaboration with Florida aerospace company Redwire, "we have already demonstrated that it is possible to 3D-print AstroRad components from recycled polyethylene aboard the International Space Station," Milstein said.

The scientists detailed their findings online today (Aug. 12) in the journal Science Advances.

The most distant 'black hole star' yet found, existing in the universe less than 660 million years after the Big Bang, has provided a vital clue as to the origin of the mysterious "little red dots" that populate the James Webb Space Telescope's images of the early universe.

The consensus seems to be that these bizarre objects, which were first discovered in 2022, are growing supermassive black holes entombed within huge clouds of gas that have spectrums similar to cool, red stars, such as red giants. Recently, astronomers have been finding that some of these objects are placed within the center of young galaxies whose light has been traveling for about 12 billion years, give or take a billion, to reach us. Given their distance and faintness, black hole stars' light is difficult to disentangle from the light of a surrounding galaxy, especially when we know there is likely a galaxy there that's too faint for the JWST to resolve.

However, a newly discovered black hole star, unearthed during a JWST program called the Mirage or Miracle (MoM) survey, is acting as a kind of a missing link.

"The Mirage or Miracle survey was designed specifically to target sources considered 'risky,' meaning they could either be amazing discoveries or just interlopers, such as some cold nearby stars that look like distant galaxies," Jorryt Matthee of the Institute of Science and Technology Austria and a co-investigator on the MoM survey said in a statement. In particular, the survey focuses on objects that look like they could be very high redshift galaxies (around a redshift of 10 or more, which equates to having existed about at least 13.1 billion years ago).

The black hole star found by the survey has been named MoM-BH*-1 and is the best example yet of a "naked" black hole star, meaning astronomers are fairly certain it exists in space on its own rather than inside a burgeoning galaxy. This means all of its light is generated by accretion onto the black hole at the center of the cloud. Though we cannot see this accretion because of the obscuring gas cloud, this light energizes the surrounding cloud from within, causing it to glow just as energy generated within the sun causes its outer layers to radiate.

"The spectrum we detected is our best evidence of a cloak of gas feeding an early forming black hole," Rohan Naidu of the University of Hawaii, who led the team who discovered MoM-BH*-1 and is co-leader of the MoM survey, said in the statement.

Intriguingly, MoM-BH*-1 lies close in space to a young galaxy at the same redshift, and estimates suggest that it will take another 100 million years for the black hole star to collide and merge with the galaxy. Naidu and Matthee's team modeled what the spectrum of the galaxy would look like after it has merged with MoM-BH*-1, and found that it would look very much like the little red dots already known to exist within galaxies.

"Considering the black hole star as a template for the black hole component of little red dots helps clarify many of the uncertainties about them," said Matthee. "If embedded in similar host galaxies, black hole stars like MoM-BH*-1 might well serve as the central engines of baby quasars."

In this way, MoM-BH*-1 provides strong evidence for the object at the heart of faint galaxies encompassing little red dots as being a black hole star. Recent observations of some little red dots at lower redshifts have shown the cloud of gas around the black hole begin to disintegrate, exposing the black hole and the X-rays produced by the accretion of gas onto it. These black holes appear to be growing fast, and the environments surrounding such active black holes become highly luminous, creating a quasar.

"Astronomers have never lacked imagination: since the discovery of quasars, there has been no dearth of theories to explain how these black holes grew so massive so fast," said Naidu. "Something spectacular must have happened in the early universe. Now with JWST, we can directly observe this era and see for ourselves which scenarios actually occur."

Learning of the birth of supermassive black holes and whether they predate the galaxies that surround them was one of the primary science goals of the JWST before it launched. In this it has been tremendously successful so far. Despite little red dots having only been discovered four years ago, research into them and black hole stars is accelerating, with new findings coming out now almost on a weekly basis.

"These are incredibly exciting times with nearly a thousand papers and preprints on little red dots in the past two to three years," said Matthee. "Far from a mirage, this might well be a cosmic miracle."

The findings were published on Aug. 13 in the journal Nature.

What a view. Astrophotographers in Namibia have captured a bright green comet soaring overhead in a spectacular new photograph.

What is it?

In this incredible new photograph is the comet 220P/McNaught.

Discovered by Australian astronomer Robert H. McNaught, the comet orbits our sun once every 5.5 years. Back in June, the comet reached perihelion, or the closest point in its orbit around the sun. Around that time, the comet experienced a large outburst, which brightened it about 8,000 times.

The comet brightened back up this August to about 600 times its normal brightness — and it was during this period when astrophotographers Gerald Rhemann and Michael Jäger captured it streaking across the night sky over Namibia.

To capture the moment, the pair used a 12-inch Astrograph telescope with a ZWO ASI 6200 MM Pro camera.

Why is it incredible?

It's not every day you see a comet in the night sky. Even if one is overhead, often they're too tricky or too far away to spot without a telescope, and even then it can be a challenge.

It's also incredible that the moment captured in the new image showcases the comet 220P/McNaught with such spectacular clarity and detail. It must have been something truly special to witness.

While spotting a comet like this might not happen every day, we can sometimes see the debris trailing behind a comet as its tail burns up in our atmosphere. These burnt comet bits are actually the "shooting stars" we see in the night sky during a meteor shower.

Right now, the Perseids meteor shower is on its annual parade across the night sky. This meteor shower is made up of debris shed by the comet Swift-Tuttle as it swoops by on its annual trip across the solar system. Under dark skies, skywatchers can see up to 100 shooting stars thanks to Swift-Tuttle.

On Aug. 12, 2005, NASA launched its Mars Reconnaissance Orbiter.

The Mars Reconnaissance Orbiter (MRO) mission lifted off on a United Launch Alliance Atlas V-401 rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station (now known as the Cape Canaveral Space Force Station) in Florida.

Some of the best cameras ever launched into space are on MRO, and the spacecraft has taken some seriously amazing photos of Mars. The High-Resolution Imaging Science Experiment, or HiRISE camera, takes super-sharp photos of the Martian surface and has helped NASA scout the Red Planet for suitable landing sites for rovers like Curiosity. It also serves as a data relay station for other spacecraft on Mars that need to beam data back to Earth.

MRO has also studied water and ice on Mars, and its cameras have revealed some pretty remarkable landscapes.

Why it mattered

Now operational for more than 20 years, MRO serves as one of NASA's oldest spacecraft in operation around the Red Planet. It has become instrumental in the space agency's ability to maintain communication with other probes in orbit around Mars and rovers on the planet's surface.

The probe's HiRISE camera revolutionized scientists' understanding of Mars' diverse surface features, with resolution high enough to picture objects as small as 3 feet (1 meter) wide. Since its arrival in orbit around Mars on March 10, 2006, MRO has snapped more than 100,000 images of the surface below and helped NASA track geologic activity like migrating dunes, impact craters, avalanches, dust storms and seasonal frost changes. And NASA is still finding ways to put the aging satellite's scientific instruments to good use. For example, the agency executed a 120-degree roll program last year designed to strengthen MRO's SHARAD radar signal by 10 times or more, allowing it to probe deeper than 1 mile (1.6 kilometers) underground to detect water ice.

MRO's role as a communications relay for probes on and around Mars became even more important earlier this year, when NASA's MAVEN mission ended in June. Today, MRO returns around 80,000 megabits of data per day, according to Astronomy.com, and remains one of NASA's most critical assets in orbit around Mars.

The Perseid meteor shower, one of the most prolific and impressive meteor showers of the year, peaks tonight!

Widely regarded as one of the best meteor showers of the year, the Perseids can produce up to 100 meteors per hour under ideal viewing conditions and weather permitting.

This year's display is particularly favorable because the shower peaks on the night of the new moon, leaving skies free from bright moonlight that can wash out fainter meteors.

What time should I look?

The Perseids can produce meteors throughout the night, but the best viewing begins around 11 p.m. local time, with activity increasing after midnight and continuing until the predawn hours. Under dark, clear skies, patient observers could see dozens of meteors every hour with the highest rates expected just before dawn.

Where do they come from?

The annual show occurs as Earth passes through a trail of comet dust and rocky debris left behind by Comet 109P/Swift-Tuttle. Every year, our planet plows through this stream of cometary material, causing tiny fragments — many no larger than a grain of sand — to slam into Earth's atmosphere at around 133,000 mph (214,000 km/h).

As these particles compress and heat the air in front of them, they burn up high above Earth's surface, creating the brilliant streaks of light we know as meteors or shooting stars.

How can I see the Perseids?

The Perseids appear to radiate from the constellation Perseus, but you don't need to look directly at the constellation to enjoy the show. In fact, the longest and brightest meteors appear about 45 degrees away from the radiant, when you're not viewing them head-on.

To give yourself the best chance of seeing as many meteors as possible, head somewhere with dark skies, away from city lights and give your eyes around 30 minutes to adjust to the darkness. Avoid checking bright phone screens (easier said than done!) and leave the telescope or binoculars at home — meteors are best enjoyed with the naked eye.

The highest number of meteors occurs in the predawn hours because it's when the side of Earth you're situated on has rotated into the stream of comet debris. You can think of it a bit like driving through rain — the windshield catches more raindrops than the rear window because it's facing the direction of travel. Likewise, before dawn, your location on Earth is facing into the stream of comet debris, meaning more meteoroids collide with Earth's atmosphere overhead.

A rare double sky show

Why have one remarkable sky event when you can have two? This year's Perseid peak arrives on the heels of today's total solar eclipse that crosses parts of Greenland, Iceland and Spain, making it possible to witness two of the year's most spectacular celestial events within just a few hours of each other.

If you're unable to catch the Perseids tonight, don't worry! While meteor numbers will gradually decline after the peak, the Perseids remain active through Aug. 24, meaning there are still opportunities to catch plenty of shooting stars under clear, dark skies.

If you're looking to snap photos of the meteor shower or the night sky in general, check out our guide on how to photograph meteor showers, as well as our best cameras for astrophotography and best lenses for astrophotography.

Just over 12 hours after its first liftoff of the day out of Florida's Space Coast, SpaceX has delivered a second batch of Starlink internet satellites to orbit on a rocket lifting off from the company's California launch site.

A Falcon 9 rocket lifted off from Vandenberg Space Force Base on Aug. 12, at 12:46 p.m. EDT (0346 GMT; 9:46 p.m. local time). The mission, Starlink Group 17-49, carried 24 of the broadband spacecraft to low Earth orbit (LEO) to join SpaceX's growing constellation of more than 10,000 satellites.

About 8.5 minutes after clearing the tower, the Falcon 9's first stage, Booster 1103 successfully landed on SpaceX's "Of Course I Still Love You" droneship in the Pacific Ocean." It was the fifth flight for this particular booster.

In addition to being its third Starlnk mission, B1103 also launched the NROL-179 and SDA-T1TL-E in support of U.S. national defense.

Following separation from Falcon 9's main booster, the rocket's second stage flew onward to LEO, delivering its 24 Starlink satellites about one hour after liftoff.

Today's liftoff was the 94th Falcon 9 launch of the year, 73 of which have delivered Starlink stacks to the growing constellation — the largest satellite constellation ever assembled.

Starlink currently consists of more than 10,900 active satellites, according to astrophysicist Jonathan McDowell. But SpaceX has even bigger megaconstellations in mind: The company has filed to operate 100,000 of its bigger, more capable Starlink V3 satellites, and SpaceX CEO Elon Musk has also stated his intent to launch a million AI data center satellites to Earth orbit as well.

Today (Aug. 12), millions of people across Greenland, Iceland and Spain will witness a total solar eclipse as the moon completely covers the sun, turning day into night, albeit briefly.

It's Europe's first total solar eclipse since 1999, and with a maximum of 2 minutes, 18 seconds of totality, it will be worth the wait … weather permitting!

Even if you're not inside the path of totality, there's still plenty to see. A dramatic partial solar eclipse will be visible across much of Europe, offering millions more the chance to watch the moon take a 'bite' out of the sun. More than 90% of the sun will be covered for major cities such as London, Paris and Dublin.

Where will the eclipse be visible?

Today's eclipse will unfold over roughly 96 minutes as the moon's shadow races across Greenland, Iceland and Spain. Totality begins in Greenland in the late afternoon before reaching Spain in the evening, where skywatchers will witness the rare spectacle of a low-horizon sunset eclipse.

Not sure what you'll see from your location? Check out our where to see the total solar eclipse guide for visibility details.

What time is the eclipse?

The eclipse occurs at different times depending on your location.

Looking for a more detailed breakdown of timings? Our what time is the eclipse guide can help.

Can I watch the eclipse online?

If you can't make it to a location within the path of totality, you can still experience the eclipse from home.

We've rounded up the best ways to watch the eclipse online, including livestreams from the path of totality.

Follow the eclipse with Space.com

Our eclipse live blog will bring you the latest updates throughout the day, including weather reports, photos, videos and observations from across Greenland, Iceland and Spain.

We'll also have reporters in the field. Skywatching Editor Daisy Dobrijevic is on an eclipse expedition to Greenland with HX, while Skywatching Writer Anthony Wood is observing from northern Spain with the DEB initiative and a team of citizen scientists.

Follow along throughout the day here on Space.com and our social channels (Instagram and TikTok) as we bring you firsthand reports from the path of totality and share some of the best eclipse images.

How to observe the eclipse

Never look directly at the sun without proper eye protection.

During the partial phases of the eclipse, you must use solar eclipse glasses or a certified solar filter. Looking at the sun without appropriate protection can cause serious and permanent eye damage.

The only time it is safe to view the eclipse without eye protection is during the brief period of totality, when the moon completely covers the sun. As soon as even a small portion of the sun reappears, eclipse glasses must be worn again.

For more information, check out our guide to observing the sun safely. If you haven't been able to get hold of some solar eclipse glasses, don't fear! We also have a handy guide on how to safely view the eclipse using items from around the home.

Editor's note: If you capture a photo of the solar eclipse and would like to share it with Space.com's readers, send your photo(s), comments, and your name and location to spacephotos@space.com.

SpaceX isn't a launch company anymore.

SpaceX is famous for launching, and landing, its Falcon 9 and Falcon Heavy rockets and sending astronauts to space aboard its Dragon crew capsule. Recently, however, the company has been transitioning into an artificial intelligence (AI) outfit — and that journey is now mostly complete.

"Our AI revenue will exceed all other SpaceX revenue probably in September — like, next month — and will significantly exceed all other SpaceX revenue in in the fourth quarter," company founder and CEO Elon Musk said during an address to employees that the company posted on X today (Aug. 11). "So, AI has become an extremely important part of SpaceX's future."

Earlier this year, SpaceX bought xAI, a startup that Musk founded in 2023. xAI created the chatbot Grok and also operates a powerful supercomputer cluster in Tennessee called Colossus.

But that was just the beginning. Musk laid out just how deeply SpaceX is diving into AI during his 29-minute talk, which came a week after SpaceX's first-ever quarterly earnings call as a public company.

"Probably in four or five years, AI will be 99% of the value of SpaceX; I'd say five years for sure," Musk said. "And the value of SpaceX will be some astronomical number."

Astronomical is right. According to Musk, the company aims to get 10 gigawatts of AI compute up and running by the end of next year. That's a big jump from its current 1.4 GW, which SpaceX sells to tech companies and AI labs.

"The value per watt is probably going to be 30 to $50, which means if we bring 10 gigawatts of AI online by the end of next year, it will be 300 to $500 billion a year in revenue," he said. "Big numbers."

And those numbers will get even bigger over time, if all goes according to plan. SpaceX just announced plans to build a gigantic complex in Texas called Terafab, a joint operation with Tesla that will manufacture advanced semiconductor chips for a wide range of applications. And the company aims to launch a million of its "Starmind" AI satellites to low Earth orbit in the coming years using its fully reusable Starship megarocket, which is still in development.

Over the longer haul, the company plans to establish factories on the moon that will build these off-Earth data centers. The satellites will be launched into space from the lunar surface via electromagnetic mass drivers — basically, high-powered rail guns.

SpaceX envisions Starmind and its other AI efforts as returning almost unimaginable profits down the road. For example, in paperwork the company filed just before its record-breaking IPO, SpaceX identified an eventual "total addressable market" of $28.5 trillion, nearly $23 trillion of it in the AI field.

For some perspective: The gross domestic product of the entire United States last year was about $30.8 trillion.

"The future is fundamentally AI and robots," Musk said during his address to employees. "Assuming civilization continues to progress, I think that AI will probably — the amount of digital intelligence will probably be more than a trillion times the amount of biological intelligence."

He also said he's not just in this for the money.

"It's important that we have an AI that cares about humanity, that fosters humanity and helps take us to other planets and other star systems," Musk said.

"This is why I think it's essential that SpaceX succeed not just with AI hardware but also with AI software," he added. "I think an AI that is sort of SpaceX's baby will be a very good AI. I think SpaceX is a collection of some of the very best humans on Earth, both in capability and morality and goodness."

He urged SpaceX employees to aid the company's AI efforts in any way that they can, stressing that success could lead to some amazing vacations.

"One of the nice benefits of this also is that anyone at SpaceX who wants to go to the moon or Mars will be able to go in the future," he said. "You have my word."

Editor’s note: The original headline of this story read “in 2027,” which was incorrect, given that SpaceX aims to get 10 GW online by the end of that year. It was corrected at 8:20 p.m. ET on Aug. 11.

Astronomers have released the largest two-dimensional map of the universe ever created, offering a sweeping new view of nearly 4 billion celestial objects across roughly three-quarters of the sky.

The new map, created by the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys team, contains a staggering 5.6 trillion pixels and combines more than 263,000 telescope exposures collected over more than a decade. The observations span visible and near-infrared wavelengths, providing an enormous portrait of stars, galaxies and other cosmic phenomena across the sky, according to a statement from the National Science Foundation (NSF) NOIRLab. (You can explore the full data here.)

"It's part of the fabric of astronomy research now," David Schlegel, co-lead of the Legacy Surveys and a scientist at the U.S. Department of Energy's Lawrence Berkeley National Laboratory, said in the statement. "When you're working with astronomical objects today, you often start by pulling up the Legacy Imaging Viewer to see what you're looking at."

The latest 2D cosmic map represents the culmination of 13 years of observations and data processing. The Legacy Imaging Surveys were originally designed to help DESI determine where to point its thousands of robotic optical fibers, essentially creating the 2D foundation for DESI's much larger effort to map the universe in three dimensions.

Installed on the Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory in Arizona, DESI measures the spectra of galaxies and quasars. By determining their redshifts — how much their light has been stretched as the universe expands — astronomers can calculate their distances and transform a flat view of the sky into a 3D map of the cosmos.

DESI began its main survey in 2021 with the goal of tracing how the universe has expanded over billions of years and, in turn, helping scientists better understand dark energy, the mysterious phenomenon thought to be driving that expansion.

The project has since far surpassed its original targets. By April 2026, DESI had mapped more than 47 million galaxies and quasars, creating the largest high-resolution 3D map of the universe to date. Previous DESI results have also provided intriguing evidence that dark energy may evolve over time rather than remain constant, as predicted by the standard model of cosmology.

DESI isn't the only project finding new ways to map the cosmos. Earlier this year, astronomers with the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) created a different kind of 3D map using faint Lyman-alpha emission from hydrogen between galaxies. That effort illuminated previously hidden structures dating to between 9 billion and 11 billion years ago, when the universe was experiencing a peak in star formation.

The new Legacy Imaging Surveys map, meanwhile, will have uses well beyond DESI. Previous versions of the dataset have already been referenced in more than 1,800 scientific papers, while the latest release could help astronomers search for rare objects and phenomena, study galaxy evolution and train artificial intelligence systems to analyze the enormous volumes of data expected from next-generation observatories.

"Explorations of our universe always start with images of the night sky. The DESI Imaging Legacy Surveys are just one step in this venerable human tradition," Arjun Dey, co-lead of the Legacy Imaging Surveys and an astronomer at NSF NOIRLab, said in the statement. "For our team, these data are fundamental to the investigation of the expansion history of the universe and the formation of our galaxy. But the skies belong to everyone, and this survey gives everyone the chance to marvel at their wonders."

Astronomers have nearly doubled the number of known cosmic X-ray sources, offering the most comprehensive public view yet of the universe's hottest and most energetic objects.

The second major public data release from the German-led eROSITA X-ray telescope contains a catalog of nearly 2 million X-ray-emitting objects, including supermassive black holes, galaxy clusters, stars and other extreme cosmic phenomena. The unprecedented dataset — called DR2 — will help astronomers investigate how black holes grow, galaxies evolve and the universe's largest structures formed, according to a statement from the Max Planck Institute for Extraterrestrial Physics.

"DR2 is the best inventory of the X-ray sky we have to date and opens the door to robust statistical studies of cosmic populations," Miriam E. Ramos-Ceja, Ground Segment Manager of the eROSITA instrument and lead author of the DR2 publication said in the statement.

The new release combines observations collected during eROSITA's first three all-sky scans over 556 days, allowing astronomers to detect increasingly faint X-ray sources that previous surveys missed.

Of the nearly 2 million detections, more than 1.9 million are point-like sources, most of them active supermassive black holes feeding at the centers of distant galaxies or stars within the Milky Way. These black holes offer astronomers a window into how galaxies grow and evolve over cosmic time, while the stellar sources help researchers better understand everything from stellar activity to the life cycles of stars.

Another roughly 64,000 sources are extended objects, including massive galaxy clusters, nearby galaxies and the glowing remnants of exploded stars (also known as supernovas). Galaxy clusters are especially valuable because they trace the universe's largest structures, helping scientists investigate the influence of dark matter and dark energy on the evolution of the cosmos.

Unlike visible light, X-rays reveal some of the universe's most energetic environments. Material spiraling toward a black hole can be heated to millions of degrees before crossing the event horizon, while neutron stars, supernova remnants and the enormous reservoirs of hot gas filling galaxy clusters also emit strongly in X-rays.

The size of the catalog gives astronomers a powerful new dataset for studying the high-energy universe. With nearly 2 million sources observed under the same conditions, astronomers can study how supermassive black holes have grown over billions of years, map the distribution of galaxy clusters to better understand the large-scale structure of the universe, and search for rare or unusual objects that may otherwise have gone unnoticed. Large, uniform surveys also make it easier to compare different classes of objects and identify long-term trends that smaller observations cannot reveal.

The release also includes optical and infrared counterparts for many of the X-ray sources, helping astronomers determine whether each object is a nearby star, a distant galaxy, an active supermassive black hole or another type of high-energy phenomenon. In the portion of the catalog where counterparts have been identified, about 88% are distant galaxies hosting actively feeding supermassive black holes, according to the statement.

"X-ray detection is only the first step," Mara Salvato, eROSITA spokesperson and chair of the follow-up working group, said in the statement. "By linking X-ray sources to their counterparts at other wavelengths, we can work out what these objects are, where they sit on the cosmic distance ladder, and build clean, well-defined samples on an unprecedented scale."

Although eROSITA stopped collecting scientific observations in early 2022, the mission completed enough sky scans beforehand to support additional public data releases. Researchers say the next Data Release 3 (DR3) is planned for 2028.

The eROSITA-DE DR2 catalogue is available to view online.

Season 4 of Paramount+'s "Star Trek: Strange New Worlds" is off to a roaring start with episodes already airing centered around primeval dinosaurs, a haunted starship, and a hedonistic pleasure planet.

This week's chapter, titled "A Case of Chiaroscuro", airs on Aug. 13 and takes another bold swing, featuring a wartime film noir-style tale with tense galactic politics at its core.

We connected with three of "Strange New Worlds'" brightest stars — Anson Mount (Captain Christopher Pike), Rebecca Romijn (Lt. Cmdr Una Chin-Riley), and Carol Kane (Commander Pelia) — to hear about this penultimate season's boundary-pushing vision delivered by executive producers Akiva Goldsman and Henry Alonso Myers, and learn more about that Muppet episode called “Level-Five Transporter Accident” that's coming later this month on Aug. 20.

"We're all in agreement that season 4 and season 5 are the strongest seasons of the whole series," Romijn tells Space. "I think the producers had more time to prepare for season 4, and every episode felt incredible on the page. Every episode felt like a really fun challenge. We just had a blast.

"The writers think so outside the box, and I can't believe they come up with the things they come up with," continues Romijn. "Every time a writer asks, 'What haven’t you done that you’d like to do?' I can't even think as outside the box as our writers. I leave it up to them."

Mount echoes those sentiments and finds the sci-fi series to be fully engaged.

"It just feels like the bolts were tight," Mount adds. "We've built this incredible machine and we were able to take bigger leaps and have more fun. Even curve balls that came in season 1 and season 2. I grew tired of going to Akiva and Henry and saying, 'Are you sure about this?' And then those ended up being the episodes that really pop. So I stopped asking questions and trusted them. Also, I think the sense of consequence was heightened at the same time."

Even though Carol Kane's ancient Lanthanite character, Pelia, didn't arrive until the second season, even she senses a major shift in the show's momentum.

"I feel like as we went on people were more and more willing to take risks at every level, from the writing to the acting to the cinematography to the directing and the wardrobe," Kane notes. "It was like, what the hell. Let's roll them dice. I feel that was a wonderful freedom."

As fans eagerly anticipate the Muppet episode (they won’t be disappointed!), the trio all admitted that the Pelia puppet with its wild tangle of blonde hair was the one most of the cast wanted to take home with them.

Sadly, none of the actors were allowed to actually keep their Muppets, though if folks saw the price tag on those puppets they’d quickly understand why.

"We were already working on another episode," Mount explains when the surreal time arrived to record their particular puppets' dialogue. "It was really wild going into the recording booth and trying to do an interpretation of someone else’s interpretation of your character."

"Star Trek: Strange New Worlds" season 4 is now streaming on Paramount+.

A newly found Mars meteorite is revealing the secrets of a previously hidden time period of Red Planet geological history.

The 1.27-billion-year-old space rock, called Northwest Africa (NWA) 13441, was discovered in Algeria in 2019 — but its age was not confirmed until recently. Now scientists say the meteorite helps answer questions about a huge gap in the Martian geologic record: a span of time between 600 million years ago and 2.4 billion years ago.

This vast timespan has no known examples of meteorites containing igneous (solid magma) shergottites, which are the most abundant type of Martian meteorites, chunks of the Red Planet that were blasted away by impacts, ejected into space and eventually fell to Earth. The only meteorites known from this time range, roughly 1.3 billion to 1.4 billion years ago, are rarer types known as chassignites and nahklites. As such, the newly analyzed meteorite is opening new insights already about this time period.

"The characteristics of this meteorite were entirely surprising," stated Boston College Earth and environmental sciences professor Ethan Baxter, co-author of a study published Aug. 1 in the journal Geochimica et Cosmochimica Acta. "No other Martian meteorite like this has an age of 1.27 billion years old."

NWA 13441 was surprising to researchers in two ways. The first was its composition — while it is a shergottite, the space rock also contains isotopes (element types) of a rare-Earth metal called neodymium. Neodymium is usually found in chrondrites — another kind of meteorite made up of unmelted rocks — and chondrites were common in the solar system when it was formed 4.56 billion years ago.

This blended composition of shergottite and chrondrite suggests deeper parts of Mars have remained relatively untouched since the planet was formed, Baxter stated. That finding aligns with what scientists already know about Mars, which likely formed only five million years after the solar system was formed. (Mars also has no plate tectonics, making it different from Earth and which allows the earliest bits of it to remain undisturbed by the types of geologic processes that take place on our planet.)

Peering deeper at the chondrites added a second surprise: the composition of the isotopes, or element types, are helping establish "new boundaries on the processes that happened in the very early solar system as Mars formed," the authors stated. The paper's abstract added this information suggests the meteorite may have come from a "previously unsampled" reservoir on the Red Planet lying between "enriched and depleted shergottite sources."

Scientists hope that more analysis of this meteorite will reveal "magmatic and volcanic activity on Mars," Seal said in the same statement. Next up will be looking at the meteorite's isotopes to figure out its connection to other meteorites formed early in Martian history.

SpaceX sent yet another batch of its Starlink internet satellites skyward today (Aug. 11).

A Falcon 9 rocket lifted off from Florida's Cape Canaveral Space Force Station today at 11:58 a.m. EDT (1558 GMT), carrying 29 of the broadband spacecraft toward low Earth orbit (LEO).

About 8.5 minutes later, the rocket's first stage made a pinpoint landing in the Atlantic Ocean atop the SpaceX droneship "A Shortfall of Gravitas." It was the 18th flight for this particular booster, which is designated B1085.

Though more than half its liftoffs have been Starlink flights, B1085 also has some astronaut missions under its belt. The booster lofted SpaceX's Crew-9 flight to the International Space Station in September 2024, and it launched the Fram2 mission around Earth's poles six months later.

The Falcon 9's upper stage, meanwhile, continued hauling the 29 Starlink satellites to LEO today. They'll be deployed there 64 minutes after liftoff, if all goes to plan.

Today's liftoff was the 93rd Falcon 9 launch of the year already. Seventy-two of those missions have been devoted to building out Starlink, the largest satellite constellation ever assembled.

Starlink currently consists of more than 10,900 active satellites, according to astrophysicist Jonathan McDowell. But SpaceX has even bigger megaconstellations in mind: Eventually, the company wants to operate 100,000 of its bigger, more capable Starlink V3 satellites, and Elon Musk has stated an ambition to launch a million AI data center satellites to Earth orbit as well.

A total solar eclipse isn't just a spectacular sight to witness for those lucky enough to lie in the path of totality (or travel to it, as many dedicated skywatchers do). It also gives scientists a rare chance to study the sun's outer atmosphere, or corona, during the day.

As such, NASA plans to take full advantage of the opportunity for the upcoming total solar eclipse happening on Aug 12.

The space agency's WB-57 high-altitude research jet will chase the moon's shadow across the globe, which will extend the agency's ability to capture data from the eclipse. The NASA-supported Nationwide Eclipse Ballooning Project will also coordinate teams to release balloons that will help us know how our atmosphere changes when an eclipse turns the sky dark during the day.

"From our unique perspective on Earth during a total solar eclipse, scientists can study the sun's corona in a way we can't from anywhere else in the solar system," Kelly Korreck, eclipse program manager at NASA Headquarters in Washington, said in an official announcement.

"The sun impacts our daily life, satellites, and astronauts in space, and we can take advantage of this moment to advance our understanding of that influence," she continued.

Inside the research jet's nose cone, four cameras will capture images of the corona's structures, outflows, and changes. This data may help scientists gain a better understanding of how materials within the corona relate to solar winds.

"The sun is always changing," Amir Caspi, principal investigator for the study at Southwest Research Institute in Boulder, Colorado, said in the announcement. "Every eclipse is different. So we could see things we didn't see before. And we learn from each eclipse how to better observe the next one."

Angela Des Jardins at Montana State University will lead the Nationwide Eclipse Ballooning Project, with the help of students from universities in the U.S., Iceland and Spain.

By releasing balloons in anticipation of the eclipse, scientists will be able to look at the ozone levels in the atmosphere during the eclipse and study how the eclipse impacts the "boundary layer" of the Earth, which shifts due to temperature and moisture in the air.

Both the research jet and balloons were used to collect data during the total solar eclipse in April 2024. These new projects will use what NASA learned last time to sharpen up the methods, and hopefully provide new insights into the relationships between the sun, moon, and Earth.

Rainer Zitelmann has doctorates in history and sociology. He has authored and edited 32 books that have been translated into 35 languages. He contributed this article to Space.com's Expert Voices: Op-Ed & Insights.

Without property rights in space, one of the most important economic incentives for the commercial development — and ultimately the settlement — of celestial bodies is missing. The 1967 Outer Space Treaty prohibits states from claiming sovereignty over celestial bodies or land on them. The underlying idea reflected the dominant thinking of the time: space belongs to all mankind.

The question of whether private individuals or companies may acquire property rights remains unresolved. The treaty says nothing explicitly about private ownership, largely because in the 1960s hardly anyone imagined that, just a few decades later, entrepreneurs such as Elon Musk or Jeff Bezos would possess the financial resources and technological expertise to accomplish what was then thought possible only for governments.

The absence of property rights is one important reason why humanity has made less progress in the exploration and development of space than many expected. Once the United States had won the race to the moon, the incentive for the next stage of space exploration largely disappeared.

Consider a thought experiment. Imagine that whoever reaches an asteroid with a spacecraft and begins mining it acquires the right to claim ownership of that asteroid and list it on the stock market as a real estate investment trust (REIT). Or imagine that whoever reaches Mars and begins constructing a settlement — whether with robots or eventually with human settlers — gains the right to declare the surrounding land as private property. Such rights would create extraordinarily powerful economic incentives. Today, by contrast, the legal position of private actors is, at best, uncertain. A genuine race to reach these celestial bodies would begin, and investors would emerge to finance these ambitious ventures.

There are good reasons to believe, however, that this process will begin even without a clear legal framework. History suggests that this is not the exception but the rule. Consider the settlement of the American West. In his classic book "The Mystery of Capital," the renowned economist Hernando de Soto described the process as follows:

"America was filling up with immigrants, who settled boundaries, ploughed fields, built homes, transferred land and established credit long before governments conferred on them any right to engage in these acts. Those were the days of the pioneers and the 'Wild West.' One of the reasons it was so wild was that those pioneers, most of them nothing but squatters, insisted that their labor, not formal paper titles or arbitrary boundary lines, gave land value and established ownership. They believed that if they occupied the land and improved it with houses and farms, it was theirs."

Contrary to a common misconception, property rights did not initially emerge through formal acts of government imposed from above. They evolved spontaneously from below. As de Soto explains: "To be legitimate, a right does not necessarily have to be defined by formal law. That a group of people strongly supports a particular convention is enough for it to be upheld as a right and defended against formal law." Only later, during America's early history, did governments formally legalize what settlers had already established in practice.

Capitalism, unlike socialism, develops as a spontaneous order from below. We have seen this pattern repeated in more recent history, particularly in former communist countries such as China and Vietnam.

Long before the official ban on private farming was lifted in 1982, peasants across China spontaneously reintroduced private ownership in defiance of socialist doctrine. The results were remarkable. Agricultural production rose rapidly, and recurring food shortages came to an end. By 1983, almost all agriculture in China had been decollectivized.

The story was similar in Vietnam. Following the market-oriented reforms launched in 1986, poverty declined from nearly 80% to just 3%. Yet many of these reforms merely legalized developments that had already taken place at the grassroots level. Agricultural collectives and even state-owned enterprises increasingly ignored official regulations. They abandoned collective production and entered into unauthorized contracts ("Khoán chui") between collectives and families or between state farms and private traders. This became known as "Phá rào," or "fence breaking."

Some scholars argue that these spontaneous grassroots developments — not decisions by the Communist Party — were the true driving force behind Vietnam's reforms. As Vietnamese researcher Vu Le Thao Chi explains, "It is closer to the truth of the matter that the state served more as an agent of adjustments and, in this, sanctioned the manner of the ordinary farmers' efforts to survive the unpredictably winding path." Economist Tran Thi Anh-Dao and other scholars likewise argue that Vietnam's reform process began "with evidence-based practices at the microeconomic (local) level that were then applied at the macroeconomic (national) level."

In my recently published book "New Space Capitalism," where I discuss the legal issues in detail, I answer the question "Who should have the right to acquire property in space?" as follows: Those who have the financial resources and are willing to take the risks necessary to get there, develop the land, and put it to productive use.

If SpaceX succeeds in reaching Mars and begins building permanent settlements on the Red Planet, then ownership of land should initially belong to SpaceX. Not the entire planet, of course, but a practical area — for example, roughly the size of Singapore. Since the surface area of Mars is approximately 200,000 times larger than Singapore, SpaceX would initially own only about 0.0005% of the planet. That would be sufficient to establish multiple settlements while leaving more than enough room for future competitors.

SpaceX could finance its transportation and development costs by placing this Martian land into a real estate investment trust (REIT) and listing it on the stock exchange. The market would determine its value.

The same principle could apply to asteroids. At least in the case of smaller celestial bodies, ownership could be granted to those capable of mining valuable resources such as water or platinum. The most practical solution would likely be to place the entire asteroid into a publicly traded REIT. Investors would finance the mining operations, while shareholders would ultimately receive dividends generated by resource extraction. Even before the first dollar of revenue was earned or the first dividend paid, a functioning market for these shares could emerge.

This is, of course, only a thought experiment. But it shows one way in which property in space could come into existence, creating the foundation for humanity to unlock the vast economic potential of space.

With a glorious mane of glowing purple gas and dust, the Lion Nebula sparkles on the cosmic savanna in this new image captured by the James Webb Space Telescope.

What is it?

This new image highlights the stunning beauty of the Lion Nebula (formally named NGC 2392), which earned its nickname thanks to its vaguely lion-head-shaped "face" and surrounding, fuzzy "mane".

At the center of this lion's face lies its nose, a bright purple spot. This spot is actually the remnant of a dying star that's radiating energy outward and powering the cosmic structure. This oxygen-rich remnant is a white dwarf, or the hot core of a dying star. As a star like this dies, it becomes unstable and sheds its outer layers, blasting gas and dust outward to create a planetary nebula.

The white dwarf got left behind after the nose in the center of the "lion's" face expelled energy and created a big bubble of ionized gas around itself. Over time, the lion's face will continue to expand. Astronomers estimate that in about 10,000 years, the lion might dissipate entirely.

Why is it incredible?

This isn't the first time we've seen the Lion Nebula. Back in 2000, for instance, the Hubble Space Telescope took a close look at the nebula.

However, the JWST snapped this image of the nebula using two of its state-of-the-art instruments: the NIRCam (Near Infrared Camera) and MIRI (Mid Infrared Instrument). And the new view gives us a very detailed look at the nebula.

With these new instruments, we can see details we never saw in the Hubble's view of the Lion Nebula — like certain dust and gas features. Overall, this view gives us a much more accurate view of what the nebula actually looks like, and what cosmic structures hold it up.

On Aug. 11, 1960, part of the Discoverer 13 satellite became the first human-made object to be recovered from Earth's orbit.

The United States Department of Defense launched the mission as part of the C.I.A.'s Corona spy satellite program. They wanted to see if they could return a satellite's instrument package to Earth safely and gently enough to retrieve the object intact.

The reentry capsule was a big, bowl-shaped hunk of metal that weighed about 120 pounds and contained only an American flag. After deploying a heat shield and parachute, the capsule splashed down in the Pacific Ocean. A Navy helicopter pulled it out of the water and airlifted it to a ship, which brought it back to Pearl Harbor.

Why it mattered

This first paved the way for modern spaceflight. We might take it for granted today as we see rocket stages return to Earth and land with the grace of a rehearsed dance and astronauts go back and forth to the International Space Station. At this point, all variety of capsules and spacecraft have not only gone out into space, but returned. But if we travel back to 1960, this was a groundbreaking feat.

Discoverer 13 was a reconnaissance satellite (or what we might call a spy satellite) built by General Electric that launched with no cameras or film on board (subsequent satellites in the series, starting with Discoverer 14, had cameras). Instead, it carried diagnostic instruments and flew 17 times around our planet before reentering our atmosphere, deploying a small parachute and splashing down in the Pacific Ocean where it was retrieved by the U.S. Navy.

This momentous milestone proved that it was possible for something to hurtle back through our atmosphere from space, survive the journey and be recovered. With subsequent satellites and missions, cameras and film would allow us further insight into the process, and today we can not only return objects from space with confidence, but we can return humans home to Earth from space. The return journey sends whatever object (or whoever's on board) through our atmosphere at searing speeds and even more searing temperatures. For a spacecraft (or even moreso, spacecraft with humans inside) to get a return right, it has to be built perfectly and the return maneuver has to be executed exactly. Today, this historic milestone might just seem like a satellite falling back into the ocean, but it represents a massive step forward that has allowed us to explore beyond what we once thought was possible.

Concentrations of dangerous pollutants from rocket launches and satellite reentries in Earth's upper atmosphere might reach treacherous tipping points if constellations of hundreds of thousands of orbiting data centers get deployed in the next decade, experts say.

There's no question that Earth has an AI data center problem. By 2030, AI data centers may be responsible for up to 17% of electricity consumption in the U.S., according to a forecast by the Electric Power Research Institute. New fossil fuel power plants are being built to feed the growing demand for electricity, and aging ones are kept online despite decarbonization plans. On top of that, huge amounts of water are taken from already strained reservoirs to cool the computers.

Companies such as SpaceX, Amazon and Blue Origin say they have a solution: moving the power-hungry data crunching infrastructure into space, where solar power is easy to produce, and heat can be radiated out into the frigid vacuum. Combined, those companies have filed applications to the U.S. Federal Communications Commission to launch more than a million orbiting data centers in the next 10 years. Most of those will belong to SpaceX, if all goes to plan; Elon Musk has said the company wants to operate a million-satellite AI constellation all by itself.

The plans are making atmospheric scientists tear their hair out. If all these projects come to fruition, the number of satellites being launched to space and reentering the atmosphere will increase 100 times compared to today's numbers.

Moreover, the data center satellites will be much larger than the spacecraft orbiting Earth today. This large mass will translate into higher quantities of polluting propellant needed to loft these systems off Earth and a much larger amount of metals vaporizing in Earth's atmosphere during reentry. Neither is good news for our planet's air.

Pristine upper atmosphere

"Launches and the reentries are really the only things that humans do that deposit material directly into the upper atmosphere," Aaron Boley, an astronomy professor and space sustainability researcher at the University of British Columbia, told Space.com. "And the way things mix in the upper atmosphere means that the launch and reentry emissions are by far more impactful."

Most rockets emit black carbon, which could worsen global warming. Satellite bodies are mostly made of aluminum, which likely turns into aluminum oxide when burned in the presence of oxygen. Aluminum oxide is known for its ability to trigger ozone depletion, a hazardous process that was successfully thwarted by the Montreal Protocol of 1987.

Currently, scientists don't have a precise understanding of the chemical reactions that occur between the pollutants and the atmospheric gases at high altitudes. They also don't understand the tipping points, which may mean the difference between minor and major impacts on the climate. What is worse, pollutants in the upper atmosphere remain much longer than those emitted by cars and factory chimneys close to the ground.

"Close to the ground, we have rain and wind that removes pollution from the atmosphere within weeks," Eloise Marais, a professor of atmospheric chemistry at University College London, told Space.com. "If we put it into the higher layers of the atmosphere, we rely on very slow atmospheric processes to bring this pollution back down."

Too many launches

Black carbon from rockets, for example, can stay in the atmosphere for three years, scientists think, meaning its concentrations could dangerously rise in the near future.

SpaceX's Starship megarocket is likely to play a key role in the deployment of data center constellations. Unlike SpaceX's current workhorse launcher Falcon 9, which burns a form of the aviation fuel kerosene, Starship combusts the much cleaner combination of methane and liquid oxygen. But Marais cautions that Starship's size and the much more frequent launches that will be needed to deploy the vast constellations would result in an overall increase in the pollution injected into the upper atmosphere.

"Starship is a bigger rocket burning more propellant," Marais said. "So, in terms of each rocket launch, the difference almost offsets. It has potential per launch to produce quite similar amounts of black carbon."

Andrew Wilson, a space sustainability researcher at Glasgow Caledonia University in the U.K., told Space.com that every single Starship launch produces around 76,000 metric tons of carbon dioxide equivalent. That's about as much as 17,727 gasoline-powered passenger cars emit in a year.

And up to 77,000 Starship launches — some 15,300 per year — might be needed, according to estimates by Ars Technica, to deploy SpaceX's planned million-data-center constellation. That's a lot of rocket pollution added into the atmosphere. For comparison, there were just 324 orbital rocket liftoffs globally in 2025, according to Space News.

The space junk rain

Then there is the toxic ash from reentering satellites. Today, nearly 19,000 operational and defunct satellites orbit Earth, according to the European Space Agency. Currently, the most numerous type of satellite in Earth orbit is SpaceX's Starlink V2 Mini, each of which weighs about 1,760 pounds (800 kilograms). But SpaceX's orbital data centers are likely to be much more massive. Featuring solar arrays 246 feet (75 m) wide, every data center satellite might weigh up to 7.5 metric tonnes, according to available estimates.

Industry insiders expect that SpaceX and other providers would want to replace their AI satellites every five years with newer technology, as they do with existing communications satellites. As a result, tens or even hundreds of tons of metal may be reentering the atmosphere every year in the future, exceeding the amount of natural space rock that hits the planet.

The materials that satellites are made of are not naturally present in Earth's atmosphere, which means the consequences of such reentries can be unpredictable.

"Only 10 years ago, the reentries were not really a concern, because there were much more natural meteorites entering the atmosphere per year," Wilson said. "But if you have hundreds of thousands or millions of satellites in space at any one time, you are essentially going to create a rain of man-made materials, electronic equipment and metals that otherwise wouldn't be coming into the atmosphere."

He added that the situation is akin to ongoing climate change, which shows no signs of slowing down as humanity has so far failed to reduce carbon emissions.

"This is the most objects we've ever had in space, and we're continuing to propose more and more and more and more and more," Wilson said. "And there seems, in my opinion, to be very little consideration for the environment."

Not enough funding is currently flowing into research to answer the unknowns, Marais added.

"We need way more observations and way more time to be able to look into that," she said.

Boley concurred: "We absolutely have to understand, and we have to understand that before we actually launch a million satellites. Not that we launch them and wait [to see] what happens."

The plans of the satellite companies are stirring protests also among astronomers, who fear that the light pollution the constellations create will impact astronomical observations. A recent study by the European Southern Observatory concluded that, if all currently planned satellite constellation projects were to be built, astronomical research from the surface of Earth would no longer be possible.

A spectacular total solar eclipse will coincide with the peak of the Perseid meteor shower on Aug. 12-13. But will you be able to spot shooting stars in the false twilight of totality?

Perseids appear as Earth plows through the stream of debris shed by comet Swift-Tuttle. Up to 100 shooting stars may be seen each hour around its peak under ideal dark skies, as particles from the ancient comet collide with our atmosphere at speeds of 133,200 mph (214,365 km/h) to etch a fiery path through the summer night sky.

It's an unmissable highlight of the skywatching calendar, supercharged in 2026 by the spectacle of a total solar eclipse, which will plunge millions across Greenland, Iceland and Spain into the darkness of an eerie twilight, as the moon crosses the face of the sun.

Is it possible to see shooting stars during totality?

Yes. The most brilliant Perseid shooting stars can shine bright enough to be spotted in the brief twilight of totality. But it's all a question of timing.

"It would have to be a fireball that passed through the darkest portion of the sky," Robert Lunsford of the American Meteor Society told Space.com in an email. "The Perseids usually produce about one fireball per three hours at night. That's asking a lot for one of these bright meteors to appear during a 2-3 minute window. If anyone does see one, they had better go play the lottery asap!"

NASA Meteoroid Environments Office head Bill Cooke added his own word of caution, noting that the relatively bright sky during totality will likely hide all but the most brilliant Perseids from sight.

"Only Perseid fireballs will be visible," Cooke told Space.com in an email. "Given the brightness and duration of the eclipse, you might see one if you're extremely, extremely lucky. [The] most likely scenario is that you will see no meteors whatsoever."

The odds are definitely stacked against you. But you never know. A piece of comet Swift-Tuttle could've broken away at just the right time, at just the right point in its orbit to meet a fiery end in Earth's atmosphere, just as the sun slips from view. As for our advice? Keep your eyes locked firmly on the eclipse as it unfolds in the skies above you. There'll be plenty of time for hunting Perseids later.

Want to capture gorgeous photos of the Aug. 12 cosmic doubleheader? Then be sure to read our expert guides to imaging a total solar eclipse, along with tips on photographing fast-moving meteors. You can also stay up to date with all the latest news and reports for the field with our total solar eclipse live blog!

Editor's Note: If you would like to share your astrophotography with Space.com's readers, then please send your photo(s), comments, and your name and location to spacephotos@space.com.

The Aug. 12 total solar eclipse is just one day away! Here's how you can watch the entire show live online from the comfort of your home

Millions of people across Spain, Iceland and Greenland will see the moon completely hide the sun during the climactic phase of totality on Aug. 12. Countless more skywatchers across Europe will witness a deep partial solar eclipse, as the moon's curved silhouette covers a swathe of the sun's surface, while failing to cover it entirely.

Thankfully, we live in modern times. So there's no need for you to miss out on the solar spectacle if you find yourself outside of the path of totality, or if clouds conspire to ruin your view. Here's where to watch every phase of the 2026 total solar eclipse live online.

NASA

NASA will be hosting its own livestream of the event starting at 1:15 p.m. EDT on Aug. 12, featuring live views of totality from cameras spread throughout the path of the eclipse. The visuals will be accompanied by information on the science of the incredible event and details on how the agency is working to learn more about our sun.

The NASA coverage will be hosted here on Space.com, but can also be streamed through YouTube, Twitch, NASA+, Facebook, Instagram and Amazon Prime.

Time and Date

Time and Date's YouTube livestream kicks off at 12 p.m. EDT (1700 GMT) on Aug. 12, bringing live views of the eclipse from Leon in northwestern Spain and the island of Mallorca, along with live commentary from journalist Anne Buckle and astrophysicist Graham Jones.

The European Space Agency

An official European Space Agency (ESA) livestream will begin at 1:30 p.m. EDT (1730 GMT) on Aug. 12. The stream will feature expert commentary on the science of the eclipse along with live views from telescopes at the Observatorio Astrofisco de Javalambre, which is located close to the Spanish city of Teruel directly in the path of totality.

Royal Observatory Greenwich

London's historic Royal Observatory Greenwich will host two simultaneous YouTube streams featuring live views of the partial solar eclipse starting at 1:15 p.m EDT (1815 GMT) on Aug. 12. The first livestream will be presented by Royal Observatory astronomer Greg Brown, who will discuss the science of the sun while providing expert commentary on the eclipse, while the second will offer a silent livestream, featuring visuals of the eclipse with no accompanying audio.

The Virtual Telescope Project

The Virtual Telescope Project livestream begins at 1:20 p.m. EDT (1720 GMT) on Aug. 12, bringing real-time views from the organization's robotic telescopes in Manciano, Italy, where a partial eclipse will be visible and from the path of totality in Spain. The Virtual Telescope Project will host a separate livestream a few hours later featuring views of the Perseid meteor shower peak, which occurs overnight on Aug. 12-13.

Be sure to check out our live blog for all of the latest news on the Aug. 12 total solar eclipse. We'll also have reports from Skywatching Writer Anthony Wood as he watches the eclipse unfold low in the horizon in central Spain, and also from Skywatching Editor Daisy Dobrijevic as she witnesses the spectacle during a voyage with HX Expeditions to Greenland!

Editor's Note: If you would like to share your eclipse photos with Space.com's readers, then please send your photo(s), comments, and your name and location to spacephotos@space.com.

Rocket Lab plans to start launching even more frequently and flexibly, thanks to a new portable spaceport system called "GHOST."

GHOST — short for "Global Hypersonic & Orbital Spaceport Technology" — turns the company's "Electron and HASTE rockets into a launch-anywhere, launch-anytime capability for multi-launch flight campaigns and critical national security missions," Rocket Lab representatives said in a statement today (Aug. 10).

"Packaged entirely within standard shipping containers, GHOST deploys complete rockets, launch infrastructure, ground support and range control systems anywhere in the world," they added.

Electron is Rocket Lab's workhorse orbital rocket, giving small satellites dedicated rides to the final frontier. The expendable 59-foot-tall (18-meter-tall) launcher debuted with a test flight in 2017 and has 83 missions under its belt to date.

As its full name suggests, HASTE ("Hypersonic Accelerator Suborbital Test Electron") is a suborbital version of Electron that customers use to test various technologies in the hypersonic flight environment. HASTE first flew in June 2023 and has flown nine times to date, most recently in June of this year.

Rocket Lab currently flies from two different launch sites — one on the North Island of company founder and CEO Peter Beck's native New Zealand and one at Wallops Island in Virginia. But the company recently announced plans to fly out of Alaska's Pacific Spaceport Complex as well, and GHOST will expand its launch footprint even further.

"Electron and HASTE revolutionized small orbital launch and hypersonic testing. Now we're making it easier to deploy them wherever they're needed most, whether that's for missile defense testing or sovereign orbital launch capability," Beck said this afternoon during Rocket Lab's second-quarter 2026 earnings call.

"We've mastered the art of building launch sites," he added. "Now we're making them deployable worldwide."

Rocket Lab intends to deploy its two planned pads at the Pacific Spaceport Complex using GHOST, Beck said during the call. The company was inspired to develop the portable spaceport system, he added, to meet the needs of a HASTE customer, who expressed a desire for Rocket Lab to be "a little bit more mobile than we are."

Rocket Lab currently flies out of two pads at its New Zealand site and one at Wallops, though it has built a second pad at the Virginia facility to accommodate launches of its coming Neutron rocket.

Neutron will be bigger and more powerful than Electron, and partially reusable as well; its first stage is designed to come back to Earth for recovery and reflight, like SpaceX's Falcon 9.

Rocket Lab originally wanted to fly Neutron for the first time in 2024, but the new launcher has yet to leave the ground. Such delays aren't uncommon in the case of new rockets, and the company is making considerable progress with Neutron, according to Beck.

"Every part of the vehicle has now seen significant testing," he said during today's call. "As with any complex development program, we've had to tweak a few things along the way, but we're moving now into final checkout and assembly of all of our flight hardware before integrating them at the pad."

The company is on target to deliver the first Neutron to that Wallops pad in the fourth quarter of this year, Beck added.

Thanks to the Hubble Space Telescope, astronomers have shed light on a recent chapter in the history of our Milky Way's neighboring galaxy, Andromeda.

Using Hubble Space Telescope observations of Andromeda's stars, a research team showed that the spiral galaxy's rate of making new stars has dramatically slowed down in the last 40 million years. And they've found more evidence that one of Andromeda's own neighbors — a smaller galaxy called M32 — may be to blame.

"We can't explicitly say that we are seeing a decrease in star formation because of M32. But it's right there, and it's definitely the most likely suspect," said Tobin Wainer, a graduate student at the University of Washington and one of the astronomers, in a statement.

Astronomers like Wainer knew from prior research that Andromeda saw a burst of star formation about 2 billion years ago (possibly as a result of a collision with an unknown galaxy). They also knew that star formation had slowed down since then. What they did not know was how quickly that deceleration had been. If they could find out, they could fill in some of the gaps in Andromeda's history.

At 2.5 million light-years' distance, Andromeda is near enough to Earth that Hubble can measure its stars. In the past several years, Hubble has conducted two surveys of Andromeda. While Hubble can only make out stars in Andromeda that are brighter than our sun, these two surveys still gave Wainer and colleagues a compendium of 200 million stars, covering two-thirds of Andromeda's disk.

Wainer and colleagues parceled out this vast space into a grid of squares, 300 light-years to a side. They reconstructed the history of each square by examining the colors of its stars.

A square with many bright blue stars, for example, probably saw a lot of star formation recently, since blue stars tend to be younger. On the other hand, if a square only contains smaller, redder stars, we know those stars are longer-lived and older, and that square probably hasn't seen a lot of newborn stars.

The astronomers mapped out a story of slowing star formation. Around 500 million years ago, on average, Andromeda turned the equivalent of our sun's mass in gas and dust into newborn stars each year. As millions of years passed, that rate declined. About 40 million years ago, it was about one-half the sun's mass each year. Then, it tilted into a dramatic deceleration. Today, it stands at about one-fifth the sun's mass each year.

Curiously, they found that Andromeda's starmaking slowdown is especially pronounced on one particular side of the galaxy, starting about 60 million years ago. Astronomers know this side of Andromeda is closest to another galaxy: M32.

Astronomers have eyed M32 with suspicion for some time now. M32 is only located about 16,000 light-years from Andromeda (Andromeda is formally called M31) and it looks like the rump core of a spiral galaxy that lost its arms. It's possible that this is actually the aftermath of a collision between M32 and its larger neighbor. It's possible, though not confirmed, that Andromeda's slowing bears the fingerprints of this collision.

We may not need to wait long for more answers. Just as Hubble can see Andromeda's stars, so too will the Nancy Grace Roman Space Telescope, set to launch in late August. In the coming years, Roman will be able to measure even more of Andromeda than Hubble has.

Given how much I enjoyed the Project Hail Mary movie, I was beyond hyped to get my hands on the Lego Project Hail Mary set. And now that I've built it, I'm thrilled to say it does not disappoint. You could even say that it's amaze, amaze, amaze!

The titular Hail Mary is the spaceship from "Project Hail Mary", the Andy Weir novel-turned-Hollywood blockbuster that carries Ryland Grace (Ryan Gosling) across the stars to save humanity. While the design of the ship is certainly described in the book, this is definitely a Lego rendition of the movie version. So, if you're an Andy Weir fan who imagined it looking a little different, you can blame the studio.

Coming in at $99.99 with just under 900 pieces, it's a lot smaller than we expected (and hoped for). If you're after something comparable to the hefty NASA Artemis Space Launch System or gargantuan Venator-Class Republic Attack Cruiser sets, then you'll be disappointed. However, the Lego Project Hail Mary has a heck of a party trick to make up for its diminutive size: A spinning mechanism that simulates the centrifugal gravity system of the ship.

Lego Project Hail Mary review: Build

The Lego Project Hail Mary is constructed from 830 pieces, split across six numbered paper bags, with a few large pieces in a separate plastic bag. I built the kit over the course of two nights, but you could easily smash it out in a single evening if you wanted to.

The build starts with a little diorama, showcasing the Ryland and Rocky minifigures on either side of a window (the barrier that separates them when they first meet and learn to communicate in the movie). It's a cool little display that can work well on its own or can be attached to the stand of the ship itself.

From there on, four out of the six bags are almost entirely dedicated to the display stand and the incorporated spinning mechanism, with the final section of bag four attaching the ship’s crew module to the spinning mechanism. Thanks to the intricate mechanism inside it, the stand not only spins, but also retracts and extends the crew section of the ship, simulating the centrifugal gravity system from the movie. While it's a complicated mechanism that means a lot of Technic pieces, but the build itself is straightforward thanks to the clear instructions.

At last, the final two bags will see you constructing the ship itself. This consists of the main body where the thruster is housed, the three fuselage sections, and the solar panel array that provides power to the ship. Some builders might be disappointed that the actual spacecraft is a remarkably small part of the build process, but I think the spinning display stand is cool enough to offset that. Also, there are no stickers, which is always a huge win for me.

Lego Project Hail Mary review: Design

As I mentioned earlier, the display stand is surprisingly hefty and draws the eye away from the beautiful ship – a bit more than you might want from a display piece. That's the downside, but the upside is that it's an awesome party piece. Turning the handle on the front of the stand in either direction rotates the entire ship, simulating its spin in the movie. If you turn the handle clockwise, the crew module extends outward, while turning it counterclockwise retracts it.

The ship itself is a great recreation of Grace's eponymous craft, the Hail Mary. It's quite small, as Lego spaceships go, so there are no interior details or easter eggs hiding within the construction. Despite that, it captures the distinctive silhouette of the craft well, and includes all the major details, like the astrophage-powered engines that make the whole mission possible. From the three main pillars of the ship, which are the fuel tanks that store the astrophage, to the solar panel arrays that stick out from the main body, it all looks great.

I really love the little mini-diorama scene that you can create between Grace and Rocky, recreating their tentative first contact. It's a clever bit of design too, as you can attach their individual plinths to the main display and tuck the glass divider away in the stand. The minifigures themselves are great too. Grace has a custom red NASA flight suit, while Rocky is barely a minifigure — he's an eccentric collection of pieces mashed together, but I can't deny the end result is unmistakable Rocky.

Should you buy the Lego Project Hail Mary?

Overall, the Lego Project Hail Mary is a wonderful set that should thrill fans of the movie (more so than fans of the book, although I’m sure they’ll enjoy it too). The ship looks fantastic, and the spinning mechanism is wonderful to see in motion. There are actually some enterprising companies out there selling motorized mod kits for it, which is something I'm seriously considering checking out myself.

With that said, the prominent nature of the stand and somewhat gimmicky spinning feature does limit its appeal as a display model. Plus, those who aren’t big into technic-like builds may want to pass on this one and just admire it from afar.

Finally, while the build itself is only suitable for older teens and adults due to the complex nature of the internal workings, the finished model will definitely delight younger kids thanks to the interactivity it offers.

China's latest rocket launch ended in failure this morning, lighting up the skies with some unwanted fireworks.

The state-owned China Aerospace Science and Technology Corporation (CASC) launched a Long March 7A rocket today (Aug. 10) from the Wenchang Space Launch Site, in the country's Hainan province, just after 8:00 a.m. EDT (1200 GMT; 8:02 p.m. local time). Around 85 seconds into the launch, the rocket exploded, generating a massive fireball and a cloud of smoke and debris while still soaring through Earth's atmosphere.

CASC had not yet released a statement about the incident by the time of this story's publication, but video reposted to social media captured the shock of onlookers the moment that the rocket burst into flames. Based on such views, the mission will almost certainly be deemed a complete failure, with total loss of vehicle and payload.

Today's launch was the 18th Long March 7A mission since the rocket's debut in 2020, which, subsequently, also ended with the vehicle's explosion. China traced that mishap to an engine malfunction that occurred shortly after first-stage separation. This morning's launch, however, didn't get that far.

The Long March 7A's four side boosters and core stage detach as a full cluster during first stage separation, which typically occurs just under three minutes after liftoff. As today's incident occurred just 85 seconds into flight, the rocket was still engaged in the main stage's initial engine burn to escape Earth's atmosphere.

The 7A — a variant of China's Long March 7 rocket family — stands just over 197 feet (60 meters) tall and combines the first two Long March 7 stages with a hydrolox (liquid hydrogen and liquid oxygen)-powered third stage capable of launching up to 7 tons to geostationary transfer orbit (GTO).

According to China National Radio, today's launch carried China's Zhongxing-4B spacecraft,, a communications satellite presumably bound for GTO. China's Zhongxing satellites provide telecommunications and broadband internet services and are also thought to provide services for China's military.

It is unclear what repercussions today's explosion may have on upcoming launches, including a Chinese Zhuque-3 rocket liftoff scheduled for Monday evening. That mission is scheduled to fly from China's Jiuquan Satellite Launch Center, more than 1,500 miles (2,415 kilometers) from Wenchang, at 7:45 p.m. EDT (2345 GMT; 7:45 a.m. local time), and is expected to feature a first-stage landing attempt.

CASC uses the standard Long March 7 rocket, which shares its core stage with the 7A, as its launch vehicle for delivering cargo to the Tiangong space station in low Earth orbit about every eight months. The most recent of those missions launched in May, putting the next resupply launch sometime around January 2027. Depending on the cause of this morning's explosion, that mission and others could face delays as China investigates the incident.

Editor's note: This story was updated at 4:20 p.m. ET on Aug. 10 with new photos of the launch.

Originally launched a decade ago, the ZWO ASI174MM is a planetary astrophotography camera — something you insert into the eyepiece of a telescope to take images and video of deep-sky objects, planets, the moon and the sun. This one is very much geared towards the latter, with solar and lunar imaging its goal.

At first glance, the specification looks simple: a 2.3MP monochrome Sony IMX174 sensor, 5.86µm pixels, USB 3.0 connectivity and a compact red aluminum body. The important details are the sensor size, speed and global shutter. For lunar and solar imaging, where you often want to capture large areas in high frame rate videos and freeze split-seconds of steady “seeing” — when turbulence in Earth’s atmosphere doesn’t degrade an image of an astronomical object — those traits matter more than headline megapixels.

The ASI174MM is especially attractive for solar imaging with an H-alpha telescope — a filter that blocks all wavelengths of light other than H-alpha, which is emitted by hydrogen atoms. That’s because its 5.86 μm pixels match the focal ratios typical of solar telescopes, yielding sharp, efficient detail. Its relatively large sensor can cover more of the solar disc than many small planetary cameras, while its high frame rate supports the usual lucky-imaging workflow of capturing video, selecting the best frames and stacking them for sharper images.

ZWO ASI174MM astronomy camera: Design

• Compact aluminum camera body
• USB 3.0 and ST4 guide port included
• Useful adapter bundle

The ZWO ASI174MM has a compact, lightweight and practical design that’s ideal for use as a camera attached to a telescope. Its small cylindrical aluminum body adds very little strain to a focuser, solar diagonal or off-axis guider, which is particularly useful when working with solar telescopes.

Usefully, the camera includes a high-speed USB 3.0 connection, which is important because the ASI174MM’s main strength is capturing and transferring many video frames very quickly. It can also be used over USB 2.0, but doing so gives up much of the performance that makes the camera appealing in the first place.

An ST4 guide port adds extra flexibility. Although the ASI174MM is primarily sold as a planetary camera, it can also be used as a guide camera (mounted on top of a main imaging scope to capture a wide field of view), especially with off-axis guiders (a device that sits between a main camera and the telescope to precisely track stars), where the larger sensor helps find guide stars more easily than smaller-chip models.

ZWO ASI174MM astronomy camera: Performance

• Excellent for solar and lunar video capture
• Global shutter is a real advantage
• Large pixels favor longer focal lengths

The ASI174MM’s combination of a relatively large 1/1.2-inch sensor, 5.86µm pixels, and fast video capture makes it particularly well-suited to imaging the sun and moon. Compared with planetary cameras built around smaller sensors, it records a considerably larger area of the telescope’s field of view, reducing the number of panels needed for mosaics and making it easier to locate and frame a target.

That larger sensor is especially useful for solar imaging, which is what we tested it with. The exact field of view depends on the telescope’s focal length, but the ASI174MM can capture larger active regions — and, with some setups, most or all of the solar disc — without immediately requiring a mosaic. For example, we tested it with the Sky-Watcher Heliostar 76Ha solar telescope, for which it is a natural match, where prominences, filaments, sunspots and rapidly changing structures on the solar surface need to be recorded at high speed.

The camera’s global shutter is another advantage for solar imagers. A rolling shutter (the standard choice for deep-sky imaging) records an image progressively, one row of pixels at a time, to produce a low-noise, high-dynamic-range image. However, atmospheric turbulence, which slightly shifts the image, can cause distortion. A global shutter exposes the entire sensor simultaneously, helping the ASI174MM preserve the shape of solar and lunar features more accurately from frame to frame.

High-speed capture also supports lucky imaging. Instead of trying to produce one perfect exposure, the camera records thousands of short exposures in rapid succession. Software then identifies and stacks the sharpest frames — the brief instants when Earth’s turbulent atmosphere becomes relatively steady.

While it’s ideal for solar imaging, the ASI174MM is much less convincing as a conventional deep-sky camera. Long exposures can reveal pronounced amp glow towards one side of the frame, while the uncooled sensor becomes increasingly noisy as exposure times increase. Calibration with dark frames can reduce these effects, but it adds complexity and cannot turn the ASI174MM into a modern cooled deep-sky camera. It can be used for short-exposure imaging, guiding and some specialist applications, but solar, lunar and planetary video remain its natural strengths.

ZWO ASI174MM astronomy camera: Functionality

• Captures good data
• ZWO software works well
• Little guidance available

The ASI174MM fits neatly into the established workflow for solar, lunar and planetary imaging: capture a high-speed video, identify the sharpest frames, align and stack them, then sharpen and process the image. Its fast USB 3.0 connection enables high data transfer rates, while region-of-interest controls allow the user to record only a selected portion of the sensor. Reducing the size of the recorded area can substantially increase the frame rate, which is particularly useful when imaging an individual sunspot.

Several free applications can control the camera and record these videos, including SharpCap and FireCapture. AutoStakkert! is widely used to analyze, align and stack solar, lunar and planetary frames, while programs such as ImPPG, RegiStax, Siril, Adobe Photoshop and GIMP can be used for sharpening, contrast adjustment and final processing. Windows users have the widest choice of third-party astronomy software.

However, ZWO also provides its own free ASIStudio software suite. For the ASI174MM, the most relevant applications are ASICap, which controls the camera and records lossless SER or AVI video, and ASIVideoStack, which analyses and stacks the resulting frames (and can also be used for post-processing). ASIStudio is available for both Windows and macOS.

The basic capture process is straightforward. After connecting the ASI174MM to ASICap, exposure time and gain are adjusted until the brightest areas of the sun or moon remain below saturation. Because this is a monochrome camera, the live view can be shown either in grayscale or with false color applied for easier viewing. A video containing around 1,000 to 3,000 frames is then recorded, though the ideal number depends on the target, seeing conditions and available storage.

Storage requirements are significant. Uncompressed high-frame-rate video from the full sensor can consume several gigabytes in a matter of seconds, so a fast computer, a USB 3.0 connection and plenty of free drive space are essential.

Once a video is loaded into ASIVideoStack, the software can assess frame quality, align the image and combine a chosen percentage of the sharpest frames. The finished stack can be exported in formats including JPEG and FITS. JPEG is convenient for immediate sharing, but FITS preserves more of the original image data and is better suited to serious post-processing.

The workflow is functional rather than polished. There is relatively little guidance for beginners and obtaining the best results requires experimentation with exposure, gain, frame rate, focus, stacking percentages and sharpening settings. It can take many attempts to determine which combination works best with a particular telescope and observing conditions. For that reason, it’s wise to archive the video files, which can be revisited and processed later as processing skills/software improves.

How we tested the ZWO ASI174MM

We tested the ZWO ASI174MM planetary camera for two weeks and used it in conjunction with the Skywatcher HelioStar 76mm solar telescope and Solar Quest mount to image the sun in H-Alpha (Hα).

Should I buy the ZWO ASI174MM?

Buy the ZWO ASI174MM if your main targets are the sun and moon, especially if you want a monochrome camera with a larger-than-average sensor, fast frame rates and a global shutter. It remains particularly suited for H-alpha solar imaging, where monochrome capture, speed and sensor area matter.

If this product isn’t for you

If you want a cheaper first planetary camera, a smaller-sensor ZWO ASI120-series-style camera may be enough for basic lunar, planetary and guiding use, though it will not offer the same field of view.

If you want a more modern planetary camera, look at newer monochrome planetary models like the ZWO ASI585MM with lower read noise, smaller pixels or higher resolution, depending on your telescope’s focal length.

If your goal is deep-sky imaging, a cooled astronomy camera is a better choice than the ASI174MM. We have reviewed the ZWO ASI533MC Pro and the ASI183MC Pro and gave both of them nothing less than four and a half stars for beautiful deep-sky astrophotography.

Scientists have captured the sharpest image ever of our sun's surface. This view has revealed incredible new details about the inner mechanisms driving stellar activity.

What is it?

An international team of researchers using the U.S. National Science Foundation's Inouye Solar Telescope has captured the highest-resolution view of the sun's surface.

In analyzing observations from this telescope, the team, made up of researchers from the National Solar Observatory, the NSF NCR High Altitude Observatory and the German Max Planck Institut für Sonnensystemforschung, discovered strange patterns on the sun's surface. The whirling patterns, they found, are actually evidence of what's called Kelvin-Helmholtz instability (KHI), or instability that happens when there is a change in velocity of fluids.

Why is it incredible?

This image is groundbreaking. Capturing the highest-resolution view of the sun's surface is a massive accomplishment, and in the time-lapse video above, you can even see the fluid dynamics on the surface of the sun in motion.

But this view is much more than a beautiful, high-resolution image. These observations have revealed swirls on the sun's surface at the edges of the magnetic areas, allowing the team to identify KHI on the sun's surface. This fluid instability has long been suspected on the sun, but these observations are the first time they have ever been directly seen like this.

“We believe that the discovery of Kelvin-Helmholtz Instability in the solar photosphere, backed up by analysis of numerical simulations, is a major step forward in our understanding of the dynamics and evolution of solar and stellar plasma, and will serve as a basis for future discoveries," David Boboltz, the deputy director at the National Solar Observatory, said in a statement.

A paper describing these findings was published recently in the journal Nature.

On Aug. 10, 1972, an Earth-grazing fireball burst through the sky over North America. It didn't hit the ground, but instead it passed straight through the sky.

The fireball entered the atmosphere somewhere over Utah and passed northwards, leaving the atmosphere over Alberta, Canada about 100 seconds later.

Analysis of its trajectory showed the object was about 10 to 45 feet in diameter, depending on whether it was an icy comet or a denser, rocky asteroid.

Why it mattered

When we think of fireballs, we typically think of "shooting stars" during a meteor shower: a night sky spectacle that's brief but brilliant. But a daytime fireball is something else altogether.

Nighttime meteors are typically tiny particles of space dust or rocks that burn up as they streak through Earth's atmosphere. While they look impressive in the night sky, they're relatively dim. City streetlights or even a bright full moon can outshine them.

But a daytime fireball is caused by something large enough to be visible in the sky in broad daylight, something large and fast enought to light up a sky brighter than a sunlit day. That's what happened today in 1972.

Today, an event like the "Great Daylight Fireball" of 1972 (as it came to be named) would be visible to potentially millions of witnesses as it streaked over the United States and Canada, and we'd likely see social media flooded with images and video. There is at least one reported video of the 1972 event you YouTube, but nothing compared to what we'd see if it happened today.

Japan's H3 rocket flew for the ninth time ever this afternoon (Aug. 10).

The H3 lifted off from Tanegashima Space Center today at 3:23 p.m. EDT (1923 GMT; 4:23 a.m. on Aug. 11 local time), carrying the Michibiki 7 navigation satellite aloft.

The H3's upper stage deployed Michibiki 7 into its target orbit 29 minutes later, eliciting cheers from the folks in mission control.

The two-stage H3 is the successor to Japan's workhorse H-2A rocket, which retired last year after a total of 50 flights.

The H3 — which stands 187 feet or 207 feet (57 or 63 meters) tall, depending on what type of payload fairing it employs — debuted in March 2023 and had eight liftoffs under its belt before today.

Two of those eight were failures — the debut flight and the launch of Michibiki 5 in December of last year. But the H3 bounced back from that latter anomaly two months ago, successfully delivering six satellites to orbit on June 11.

Michibiki 7 will be part of Japan's Quasi-Zenith Satellite System (QZSS), a homegrown navigation system that operates high above Earth in geosynchronous orbit.

"This system is compatible with GPS satellites and can be utilized with them in an integrated fashion," Japanese officials wrote in a description of the QZSS project. "QZSS can be used even in the Asia-Oceania regions with longitudes close to Japan, so its usage will be expanded to other countries in these regions as well."

The QZSS network will eventually consist of 11 satellites, if all goes according to plan. There are five such spacecraft operating in orbit at the moment.

Michibiki 7 is carrying a payload for the United States as well — the Situational Awareness Camera Hosted Instrument (SÃCHI), which was developed for the U.S. Space Force by the MIT Lincoln Laboratory. This is the second of two SACHIs to go up on a QZSS satellite; Michibiki 6, which launched atop an H3 in February 2025, hosts the other one. (Yes, Michibiki 6 launched before Michibiki 5.)

"This program will allow the United States to monitor satellite behavior within the GEO belt over a very interesting part of the world," Mark Huber, a technical staff member in the Lincoln Laboratory's Space Systems and Technology Division, said in a statement in December 2020.

"It is also a pathfinder in several ways," he added. "The U.S. team is blueprinting methods to allow sensitive data sharing between the United States and Japan."

Editor's note: This story was updated at 3:55 p.m. ET on Aug. 10 with news of successful launch and satellite deployment.

Pluto's atmosphere appears to be freezing out as the dwarf planet moves ever further away from the sun, according to careful observations of Pluto astronomers made as it was seen passing in front of stars in the sky.

Pluto is already cold. Its surface temperature is about –382 degrees Fahrenheit (–230 degrees Celsius), while its upper atmosphere is a little warmer at –333 degrees Fahrenheit (–203 degrees Celsius). As Pluto moves away from the sun it will grow even colder and its nitrogen-rich atmosphere should start to collapse and freeze out, condensing as frost on the frigid surface.

Now, a team led by Amanda Sickafoose of Arizona's Planetary Science Institute believe they have seen the onset of this process. "We're at a particularly interesting point for Pluto," said Sickafoose in a statement. "Our work suggests that the atmosphere has recently started decreasing in pressure."

Pluto's orbit is highly elliptical and very oblique to the ecliptic plane of the solar system. In fact, so eccentric is Pluto's orbit that for ten years either side of its perihelion in 1989 (when Pluto was closest to the sun), it was actually closer to the sun than Neptune was.

However, ever since 1989 Pluto has been moving away from the sun on its 248-year-long orbit – we've not even seen Pluto complete half of its orbit yet since its discovery in 1930. Pluto will reach its furthest point from the sun – called aphelion – in the year 2114 when it will be about 49 astronomical units (7.3 billion kilometers/4.6 billion miles) distant.

When NASA's New Horizons mission flew past Pluto in July 2015, it measured Pluto's atmospheric pressure to be 10 microbars. This is a tiny amount, millions of times lower than the atmospheric pressure on Earth, resulting from Pluto's thin nitrogen atmosphere that also contains hazes made from organic molecules including methane and carbon monoxide.

With New Horizons now having flown past Pluto and deeper into the Kuiper Belt, astronomers have to instead rely on more distant and less direct means of keeping tabs on Pluto's atmosphere. From our point of view on Earth, Pluto is sometimes seen to pass in front of a distant star. This is called a stellar occultation. When an airless body, such as an asteroid, occults (or hides) a background star the star's light winks out in an instant, before suddenly reappearing. When there is an atmosphere involved, however, the light of the star doesn't go out all at once when blocked by Pluto, but steadily fades as the atmosphere scatters and refracts the starlight before the star vanishes behind the dwarf planet's solid body.

Between 2017 and 2023, Sickafoose's team probed Pluto's atmosphere during ten occultations of stars ranging in brightness from about magnitude 12 to magnitude 18, far below naked-eye visibility.

Observing stellar occultations is not always a simple matter. They are not visible from everywhere on Earth, but only along narrow tracks, often in difficult to reach areas. The tracks, which are just a few kilometers wide, are effectively Pluto's shadow falling on the Earth. By spacing observers across the width of the track, it is possible to measure the extent of Pluto's atmosphere (there usually also has to be an unlucky observer just outside the track to confirm that is indeed the edge of the shadow track).

"I'm constantly amazed at how the simple technique of watching starlight dim and reappear allows us to study a thin atmosphere – a few millionths of the Earth's – on a world two-thirds the size of our moon and 30 times farther from the sun," said Sickafoose.

Of the ten occultations, four could be seen from observatories in multiple locations, which meant that the different observatories could confirm each other's results.

"We often prefer to observe predicted occultations that have shadow paths over large observatories because that equipment and data have proven successful," said Sickafoose. "Then, we try to improve those datasets by collaborating with local observers in the shadow paths."

Previous work had suggested that Pluto's atmosphere began freezing out in 2018, but Sickafoose's team found that actually, Pluto's atmosphere remained constant from 2015 to midway through 2021. However, between mid-2021 and the last occultation that Sickafoose's team observed in 2023, Pluto's atmospheric pressure dropped by 16 per cent.

The pressure drop was deduced from the light curves, which show how the star's brightness changed with time during an occultation. The light curves revealed that while the structure of Pluto's upper atmosphere remained fixed, the lower atmosphere changed.

Sickafoose's team interprets this as being the haze particles settling towards lower latitudes. This is what is expected to happen when the atmospheric pressure drops.

"I am hopeful that we'll be able to get more data in the next years to decades to specifically confirm or refute this trend," said Sickafoose.

It is thought that Pluto's atmosphere won't have completely frozen onto the dwarf planet's surface by the time it reaches aphelion, and then as Pluto begins moving in towards the sun once more the feeble solar heating that Pluto receives will slowly begin to increase, causing nitrogen frost to sublimate from the surface and thicken the atmosphere once more.

The findings were published on July 31 in the Planetary Science Journal.

On Aug. 12, 2026, a total solar eclipse will sweep across Earth, giving skywatchers across Greenland, Iceland and northern Spain an incredible view of totality. As the moon completely covers the sun, day will briefly turn to twilight, revealing the sun's faint outer atmosphere, the corona. But could totality reveal something else too?

Although totality never produces true nighttime darkness, it does briefly dim the sky to roughly the brightness of twilight. Since eclipse chasers in Greenland and Iceland will be in the auroral zone — the geographic zone around Earth's magnetic pole where auroras are most frequently seen — it's natural to wonder whether the two phenomena could appear together.

The answer is yes — but only if everything falls perfectly into place.

"During totality, the sky brightness is comparable to civil twilight (the first period of darkness after sunset, until the sun reaches six degrees below the observer's horizon). It's uncommon to see auroras during this time, but by no means impossible," Tom Kerss, independent astronomer and Chief Aurora Chaser for tour company Hurtigruten, told Space.com in an email.

Kerss knows this from experience. Last year, he photographed the northern lights in Norway at twilight, demonstrating that sufficiently bright auroras can remain visible even before the sky becomes fully dark.

However, the aurora's position in the sky would impact its visibility.

"During totality in August, the surface brightness of the sun's corona would almost certainly outshine auroras in its vicinity, but other parts of the sky away from the eclipse could host visible auroral structures," said Kerss.

So while it's physically possible, how likely is it?

Not very.

"If the auroral activity stays quiet, we wouldn't expect to see it during totality even though we know some energy is probably being emitted in the dayside portion of the oval," Kerss said.

To have any realistic chance of seeing the northern lights during the eclipse, Earth would need to be in the grip of a severe geomagnetic storm. These storms occur when eruptions from the sun, such as coronal mass ejections (CMEs), slam into Earth's magnetic field. During such conditions, auroras can get a dramatic boost, appearing brighter and more widespread than usual.

Kerss explained that observers would almost certainly need a G4 or G5 geomagnetic storm (G5 is the most powerful category) to overlap with the eclipse to have any realistic chance of seeing an aurora show because they will be on Earth's dayside.

"Bright, nightside aurora can be driven by powerful substorm activity, in which energy is stored and released," Kerss explained. "The dayside aurora is driven by a combination of favorably aligned solar wind (which opens the field lines around the Earth's polar cusps) and strong precipitation directly into the auroral oval. This latter requirement is contingent on very strong or extreme geomagnetic activity."

Kerss' thoughts are echoed by Pål Brekke, a solar physicist and northern lights expert working as Lead of Space Science at the Norwegian Space Agency.

Brekke knows just how difficult this is. He attempted to spot auroras during the 2015 total solar eclipse over Svalbard but found the sky never got dark enough.

"The sky never got that dark — we could hardly see any planets and no stars," Brekke told Space.com in an email. "Most probably because the snow-covered valley and mountains reflecting lights leaking in from the side of the moon's shadow. Making the sky too bright even during the eclipse."

Brekke also pointed out that the timings work against eclipse chasers. Totality occurs in the afternoon over Greenland and Iceland, meaning observers will be beneath the daytime portion of the auroral oval. Unlike the nighttime aurora oval, which expands dramatically during geomagnetic storms, the dayside auroral oval changes much less, making displays harder to see even during active space weather.

"The chance for aurora over Spain is very low — that would need a KP=9 or so — and 20:00 [UTC] is still very early so the fattest part of the oval is still not over Spain at that time. So our guess is it will not be very likely," said Brekke.

There is one scenario, however, that could make eclipse day even more extraordinary.

"If the sun launches CMEs in the days before the eclipse, it'll be very exciting for anyone going to Iceland or Greenland, and since the exceptional Perseid Meteor Shower will also peak on that date, there's a rare opportunity to see three of the sky's greatest wonders together if conditions line up," said Kerss.

The odds may be slim, but they're not zero.

If the sun happens to unleash a powerful geomagnetic storm in the days leading up to Aug. 12, eclipse chasers in Greenland or Iceland could witness something truly remarkable.

If not, don't be too disappointed. During totality, the sun itself puts on one of nature's greatest spectacles — and that's where your attention should be.

If you're planning to watch the total solar eclipse on Aug. 12, knowing exactly when to look up is crucial.

While totality will be visible from parts of Greenland, Iceland and Spain, millions more people across Europe will experience a dramatic partial solar eclipse. Whether you're chasing the moon's shadow in Reykjavik or watching the moon take a 'bite' out of the sun from London, Paris, or Berlin, timing is everything.

You can keep up with the latest total solar eclipse news and coverage with our total solar eclipse live blog.

Total solar eclipse timings

Partial solar eclipse timings for major cities

Looking for your own eclipse time? The interactive map and resources from Time and Date let you search by city and view detailed timing information for every stage of the eclipse.

What is a total solar eclipse?

A total solar eclipse occurs when the moon moves directly between Earth and the sun, completely blocking the sun's disk from view.

During totality, the sky darkens significantly, temperatures drop and bright stars and planets can even become visible. Observers can also catch a glimpse of the sun's outer atmosphere, known as the corona, glowing around the silhouetted moon.

Totality — when the sun is completely obscured — is only visible within the narrow path of the moon's shadow. Outside that path, observers may see a partial solar eclipse, whereby only a portion of the sun is covered.

REMEMBER to NEVER look directly at the sun. To view this solar eclipse safely, you must use solar filters. Only during the brief period of totality when the moon completely covers the sun, is it safe to look at the sun without protection. Observers will need to wear solar eclipse glasses, and cameras, telescopes and binoculars must have solar filters placed in front of their lenses at all other times.

Our how to observe the sun safely guide tells you everything you need to know about safe solar observations.

After this, when is the next solar eclipse?

After the total solar eclipse on Aug. 12, 2026, the next solar eclipse will be an annular solar eclipse on Feb. 6, 2027 visible across parts of Africa and South America. The next total solar eclipse will be a spectacular event on Aug. 2, 2027. Visible across North Africa, it will be the longest totality on land since 1991.

On Aug. 9, 1976, the Soviet space program launched its last moon mission.

Luna 24 was a robotic sample return mission and the third of its kind. It lifted off on a Proton-K rocket from the Baikonur Cosmodrome in Kazakhstan and safely landed on the lunar surface nine days later.

The probe landed in a dark plain of the moon known as Mare Crisium, or the "Sea of Crises" and collected 6 ounces (170.1 grams) of soil samples, which it brought back to Earth on Aug. 22, 1976. Scientists then found that the samples from Luna 24 contained tiny traces of water — about 0.1% by mass.

Why it mattered

The Soviet Union lost the Space Race to land the first humans on the moon, but its Luna program of robotic probes was prolific. The country's Luna 2 was the first spacecraft ever to land on the moon (it slammed into the lunar surface in 1959), with the more advanced Luna 9 making the first-ever soft-landing on the moon in February 1966, beating NASA's Surveyor 1 by about 4 months.

By 1976, 12 NASA astronauts had walked on the moon, the last two on Apollo 17 in 1973 and the Space Race was over. But the Soviet moon program was not, with Luna probes and Lunakhod rovers.

• The 21 Most Marvelous Moon Missions of All Time

The Luna sample return missions consisted of a lander equipped with a descent stage, ascent stage and Earth return capsule. The probes could collect samples of the moon, place them in the return capsule on the ascent stage, then rocket it from the moon for the trip back to Earth. NASA's Lunar Reconnaissance Orbiter has captured photos of the descent stages of Luna 16, Luna 20 and Luna 24 still on the moon.

The Luna 23 spacecraft remained on the moon entirely, as it was damaged during landing and wasn't able to return a sample. NASA's LRO images later revealed Luna 23 likely fell on its side. But Luna 24, the last of the series, worked as planned, landing on Mare Crisium on Aug. 16, 1976, collecting a sample of the lunar regolith and launching back into space less than 24 hours later.

While Luna 24 was the last Soviet moon sample return mission, it was not the last for Russia.

In August 2023, Russia's Roscosmos space agency launched the Luna 25 mission, its first in 47 years, toward the lunar south pole.

Luna 25 was planned to be the first in a new fleet of moon probes, but ultimately crashed into the moon after an orbital maneuver went wrong.

Want more space history? Check out our full On This Day In Space Story archive and watch our On This Day In Space videos on YouTube.

A new way to move around Earth's outer atmosphere could soon get a field test.

The Spanish company Kreios Space plans to launch into orbit the world's first satellite that uses scooped-up air to push it forward, the company announced on Tuesday (Aug. 4).

The technology Kreios Space has been developing is called air-breathing electric propulsion (ABEP). It relies on air sourced from Earth's atmosphere, which is then heated up, ionized and expelled to generate thrust.

This method will allow satellites in very low Earth orbit (VLEO) — the region from roughly 60 miles to 250 miles (100 to 400 kilometers) above our planet — to counteract atmospheric drag without the aid of liquid fuel.

"Kreios is building the satellites that make sustained operations in very low Earth orbit possible," Kreios Space CEO Adrián Senar said in the Aug. 4 announcement.

"By enabling satellites to fly lower, longer and more efficiently, we are enabling higher-resolution Earth observation, much better satellite communications, more responsive and accurate missions and a more sustainable orbital infrastructure," he continued.

Kreios Space chose Lithuanian-based Kongsberg NanoAvionics to provide the satellite bus that will carry the ABEP system into orbit for the test run.

"Kreios is tackling one of the most demanding operating environments in space, and this mission joins a very short list of European VLEO initiatives," Kongsberg NanoAvionics CEO Atle Wøllo said in the same statement.

"Our engineering team has worked closely with Kreios to configure the MP42 satellite bus to the mission's specific requirements and support the integration of Kreios' technology," he added.

Kreios Space did not give a target launch date for the mission in Tuesday's statement, saying that the company will launch it "at a time when interest in and development of VLEO technologies has accelerated." But the company's website identifies 2027 as a notional target for its first space mission.

A new, very low frontier

Satellites in low Earth orbit (LEO) — altitudes of roughly 100 miles to 1,200 miles (160 to 2,000 km) — generally don't need constant propulsion. Usually, a small boost from traditional thrusters here and there is enough to keep a LEO satellite on the right track. To power the thrusters, these satellites usually have some form of fuel built in.

VLEO works differently. It's low enough that there's still some atmosphere present, which generates drag on spacecraft. If you want a satellite to move around VLEO, it'll need to employ propulsion most or all of the time to counteract that drag. Any fuel that the satellite brings with it therefore won't last long.

So, if satellites are going to operate in VLEO, it would be very helpful to have a method of propulsion that doesn't require traditional fuel — a method like ABEP.

Satellites in VLEO have a few advantages over those operating in LEO, like sharper imagery thanks to the closer vantage point. One of the biggest advantages is that VLEO is much less crowded. There are thousands of satellites in LEO — most of them SpaceX's Starlink broadband spacecraft — and the number is growing all the time. But VLEO has plenty of room.

If ABEP technology works and companies start outfitting satellites with this new propulsion method, then we might start seeing satellites operate quite close to Earth, zooming through the atmosphere and using the air around it to stay on course.

Every total solar eclipse is different. While the silhouette of the moon passing across the sun barely changes, the moment our natural satellite covers the entire solar disk, something spectacular happens — the emergence of the corona. The Latin word for "crown", the solar corona is one of the wonders of nature. To gaze upon its delicate, spiky white tendrils during brief moments of totality is to glimpse the infinite, but it's only a glimpse because the corona is always changing. Shaped by the sun's constantly changing magnetic field, the corona evolves from year to year, month to month and even day to day. No two total eclipses ever reveal exactly the same structure.

It's one reason why eclipse chasers keep traveling. The corona visible during the total solar eclipse of Aug. 12, 2026 — if skies are clear — will be a unique snapshot of the sun at a specific moment in Solar Cycle 25. It will reflect years of changing magnetic activity, thousands of sunspots and countless eruptions of solar material.

Once totality ends, that exact configuration of the corona will never be seen again. Can we know in advance what it might look like?

The sun's hidden atmosphere

Under normal circumstances, the sun's corona — our star's outer atmosphere — is invisible. It extends millions of miles into the solar system, but it's overwhelmed by the brilliant light of the sun's photosphere, its visible surface. Totality changes that. When the moon completely covers the photosphere, the corona suddenly emerges. White streamers extend away from the black silhouette of the moon. Pink loops and prominences can appear around the edge of the moon.

For many first-time observers, the greatest surprise during totality is not only the detail but the scale. The corona often appears much larger than expected, extending several solar diameters away from the eclipsed sun. Photographs can capture some of that complexity, but they rarely reproduce the impression of depth and structure visible to the human eye, whose dynamic range is vastly superior to any camera.

Why every corona looks different

The corona is not a fixed object. It is created by extremely hot plasma — highly energized, ionized gas — that's trapped and sculpted by the sun's magnetic field. Since the sun's magnetic field is constantly changing, the corona changes with it.

"The sun follows a natural 11-year cycle of increasing and decreasing activity," Ryan French, solar physicist, author and science communicator at the Laboratory for Atmospheric and Space Physics (LASP) in Boulder, Colorado, and author of Little Book of Eclipses: An Essential Companion to Solar and Lunar Events told Space.com in an email. "At the peak of this cycle, called solar maximum, there are loads of sunspots on the sun, which are giant magnets nestled in the base of the sun's atmosphere. These sunspots produce a lot of solar flares and coronal mass ejections, which are kind of bursts and eruptions of energy from the sun's atmosphere, and at solar minimum, the sun has none of these things."

That magnetic activity determines the overall shape of the corona. During solar minimum, when the sun has few or no sunspots, the corona tends to look more uniform and more symmetrical. Long streamers often stretch from either side of the sun, giving the corona a wing-like appearance. During solar maximum, it can look much more complex. Sunspot regions act like magnetic anchors, creating structures that can appear as spikes or streamers extending in different directions.

"If you were to see a total eclipse during solar maximum, the solar corona looks almost like a five-pointed cartoon star," said French. "That's because every one of these sunspot regions creates a spire or spike that you can see with the eye."

Not solar maximum — but not quiet

The 2026 eclipse will not occur at solar maximum. Solar Cycle 25 peaked in October 2024, according to NASA and NOAA, with the Aug. 12, 2026 eclipse occurring almost two years later, during the cycle's declining phase. However, solar activity does not collapse immediately after solar maximum. It declines gradually, and the sun is expected to remain more active than it was in the lead-up to solar maximum.

"We're no longer in solar maximum — we're a third of the way past the peak in terms of amplitude and years passed," said French. "The corona will still be far more active than during the 2017, 2019 and 2020 total solar eclipses, but much less so than 2024's."

That makes the 2026 eclipse especially interesting. It likely won't show the full, highly structured corona seen close to the peak of activity in 2024, when the April 8 total solar eclipse occurred with a monthly sunspot number of about 144. Current predictions for August 2026 are closer to 102; far fewer, but still considered active by recent-cycle standards.

That means eclipse-watchers should expect something between extremes: not the clean, flattened corona of solar minimum, but not quite the wildest solar-maximum display either.

A comparison with past eclipses

A useful comparison may be the total solar eclipses near the previous solar maximum. Solar Cycle 24, which peaked in April 2014, was relatively weak. The closest total solar eclipses to that peak were the rare hybrid eclipse of Nov. 3, 2013, when the monthly sunspot number was around 113. By contrast, Solar Cycle 23, which had a double peak — in March 2000 and November 2001 — was relatively strong. The closest total solar eclipse occurred on June 21, 2001, with a monthly sunspot number of around 203. Its corona was likely more complex than expected in 2026.

The 2026 eclipse therefore sits in a middle category. It's not a repeat of 2024, but it's not a quiet-sun eclipse either. An active declining-phase corona, it will likely feature strong streamers extending far into space, but with greater asymmetry, with one side of the corona more active. "It's sunspots specifically near the edge of the sun that dictate what the corona will look like," said French. The sun rotates every 27 days, so any large active region of sunspots rotating onto the sun's edge shortly before Aug. 12 could alter the corona's appearance dramatically. It's why any forecasts of what the corona looks like — which often come from Predictive Science a week before the eclipse — are generally refined on the day of the eclipse.

Red prominences may steal the show

One of the most memorable sights during totality is the appearance of vivid pink or crimson features around the moon's edge. These are usually prominences — immense structures of hydrogen plasma suspended above the sun's surface by magnetic fields. They're often mistaken for solar flares by beginners, such as after the 2024 total solar eclipse.

"Prominences are large magnetic structures that suspend plasma in the atmosphere of the sun, and they glow very bright in a very specific wavelength of light called hydrogen alpha," said French. Prominences are more likely when the sun is active, and because they can last for days or weeks, they are easier to anticipate than a flare. In hydrogen-alpha images taken before eclipse day, observers may be able to see which prominences are present around the solar edge.

The 2026 eclipse may have favorable geometry for sighting prominences. Because the moon will appear only slightly larger than the sun — which contributed to the relatively short duration of totality, at a maximum of just 2 minutes 18 seconds — smaller prominences on different sides of the sun could be visible at the same time. That is different from longer eclipses, where the larger apparent moon can cover prominences on one side before revealing others on the opposite side.

Could a CME be visible?

A coronal mass ejection (CME) is an eruption of plasma and magnetic field from the sun's atmosphere. Seeing one during totality is possible — it happened during the total solar eclipse on Dec. 14, 2020 — but requires luck. "CMEs travel very slowly, so they take several hours to traverse and escape from the sun's atmosphere, so you wouldn't see any motion during an eclipse," said French. "But what you could see, if you're lucky, is a snapshot of an eruption — though maybe a long exposure camera will be more likely to see this than your eye would." Such a view would be rare, but the chances are higher in an active solar environment than near solar minimum.

Predicting the corona yourself

There will be a forecast from Predictive Science, which can be so accurate that some eclipse chasers avoid it, so as not to ruin the surprise of totality. One way to get a general idea is to look at real-time images from telescopes that use coronagraphs to block the sun, such as the COSMO K-Coronagraph, NASA SOHO's LASCO C3 and the GOES CCOR-1. For sunspots, check the latest H-Alpha image from the Global Oscillation Network Group (GONG).

No scientist can say exactly what the corona will look like on Aug. 12, 2026. That will depend on the sun's magnetic activity in the days immediately before totality, the location of sunspot groups, the presence of prominences and the possibility of eruptions. "What exactly we see during the August eclipse will depend on what the activity is that week," said French. "And even if you saw an eclipse a month before or a month after, it could be very different." For a few fleeting minutes over Greenland, Iceland, Spain and the Balearic Islands, the sun's hidden atmosphere will become momentarily visible before vanishing back into the glare, never being seen again in quite the same way.

We're just a few short days away from the Aug. 12 total solar eclipse, when millions will watch as the moon glides across the face of the sun, hiding its light in a wondrous display of orbital mechanics.

The eclipse will unfold during August's new moon phase, as the lunar disk slips silently between the sun and Earth in the daytime sky. Ordinarily, the subtle tilt in the moon's orbit causes its shadow to pass just below, or above our planet, missing it entirely.

However, on Aug. 12, the moon's orbit will carry it into a near-perfect alignment with the sun and Earth, casting its colossal shadow across a 182-mile-wide corridor known as the path of totality, where viewers will get to see the lunar disk fully hide the sun's disk.

The path of totality for the Aug. 12 eclipse cuts through Spain, Iceland and Greenland. Hundreds of millions more watching from outside of this narrow corridor will also bear witness to a spectacular partial solar eclipse, as the moon passes in front of our parent star, without fully obscuring its surface. Those unable to watch the eclipse in person by dint of geography can also follow along online, with details of the livestream to be released closer to the event.

Read on to discover what will happen during each stage of the Aug. 12 total solar eclipse.

Stage 1: The partial eclipse begins

The partial phase of the eclipse officially begins at the moment of "first contact", when the lunar disk takes its first nibble out of the sun — a subtle transformation that will first become visible in the skies over the U.S. state of Alaska at 11:34 a.m. EDT (1534 GMT) on Aug. 12.

You can check out exactly when the partial eclipse will begin from your location and find out exactly how much of the sun will be hidden by the moon using Time and Date's interactive eclipse tracker.

The hour and a half following first contact will see the moon sink ever farther into the sun's disk for those in the path of totality, transforming it from a burning orb into a magnificent shining crescent.

You may notice the temperature drop noticeably, accompanied by a subtle darkening of the sky in the half hour preceding the climactic phase of totality, as the moon reduces the sun to a thin sickle in the evening sky. Pinpricks of light — such as those that shine through a colander, or the gaps in a leaf — will also appear to mirror the scene above, creating a kaleidoscope of tiny bright crescents.

Remember, staring at the sun for even the briefest of moments can lead to permanent loss of vision, so be sure to read our guide on how to view the sun safely and to wear your eclipse glasses or sunoculars during the entirety of the partial phases of the eclipse. You can read our roundup of the best solar viewing equipment to find out more, along with our tips on how to check the quality and condition of your eclipse glasses.

Stage 2: Second contact

Some of the most spectacular moments of an eclipse occur just before and after totality. First, look out for the "diamond ring" effect, as the last sliver of the sun peeks out from behind the lunar disk to appear as a gorgeous celestial jewel, while the outermost layer of our star's atmosphere, the corona, creates a glowing halo around the moon.

Tear your eyes away from the sun for just a second and you may just catch sight of the moon's shadow advancing on you from the west, before it engulfs your surroundings in a false night.

The final seconds before totality will see bright "Baily's Beads" form dazzling points of light on the moon's edge, where the last shreds of the sun's disk shine through the ravines and valleys that scar the ancient lunar surface.

Stage 3: Totality & maximum eclipse

As the last of the sun's surface slips behind the moon, totality begins. This is the climactic phase of the eclipse, when the moon acts like a natural coronagraph to block the brilliance of the sun's disk, ushering in a false night in which our star's outer atmosphere can be seen leaping out from the lunar silhouette.

Totality will last a maximum of 2 minutes, 18 seconds, during which time it's safe to remove your glasses and look at the sun. Just be sure to put them on again before its fiery disk reemerges from the other side of the lunar disk.

That white halo surrounding Earth's natural satellite is the sun's corona — a jacket of superheated gas that surrounds our parent star. Look out for glowing solar prominences leaping outward through the sun's atmosphere, along with the red line of the chromosphere — the layer of the sun's atmosphere beneath the corona — which appears fleetingly at the beginning and end of totality, according to NASA.

The point of maximum eclipse occurs roughly halfway through totality, when the sun's disk is most hidden by the moon.

Eagle-eyed skywatchers may catch Jupiter and Mercury shining to the lower right of the eclipsed sun in the faux twilight experienced during totality, while Venus will appear as a bright star-like object to its upper left. If you're incredibly lucky, you could even spot one of the brightest shooting stars or fireballs of the Perseid meteor shower, which comes to a peak around the same time as the Aug. 12 total eclipse.

Stage 4:Totality ends

The fourth stage of the eclipse comes as the very edge of the sun's disk emerges from behind the moon, marking the end of totality as Bail's Beads and the diamond ring effect play out in reverse, before giving way to an ever-thickening solar crescent.

Stage 5: The partial eclipse ends.

The waning partial eclipse will come to a global end at 3:57 p.m. EDT (1957 GMT), as the moon's silhouette exits the sun's disk in the skies off the west coast of Africa — a moment known to astronomers as fourth contact.

Space.com is on hand to provide expert coverage and on the ground reporting as the eclipse unfolds. Skywatching Editor Daisy Dobrijevic is undertaking an expedition with HX to observe the total solar eclipse from the waters around Greenland, while Skywatching Writer Anthony Wood heads to Spain in a cowboy hat, to catch the orbital showdown with citizen scientists from NASA's Dynamic Eclipse Broadcast Initiative.

Be sure to check out our total eclipse live blog to stay up to date with all the latest news, along with our handy explainer article detailing everything you need to know about the Aug. 12 total solar eclipse.

If photography is your thing then why not read our guide to imaging the total solar eclipse, along with our roundup of the best cameras and lenses for astrophotography? You'll also want to peruse our picks for the best eclipse glasses and viewing gear available in 2026.

Editor's Note: If you capture footage of the Aug. 12 total solar eclipse and want to share it with Space.com's readers, then please send your photo(s), comments, name and location to spacephotos@space.com.