close
The Wayback Machine - https://web.archive.org/web/20220128071001/https://www.space.com/science-astronomy
Trending

Science & Astronomy

Latest

This abstract illustration depicts a bubble-like multiverse.

The Higgs boson could have kept our universe from collapsing

By Paul Sutter published

The Higgs boson particle could have kept our universe from collapsing within a larger multiverse, physicists say.

This image from NASA's Mars Reconnaissance Orbiter shows the Bosporos Planum plain on the Red Planet. The white specks are salt deposits found within a dry channel, a clue to its watery past.

Water on Mars may have flowed for a billion years longer than thought

By Elizabeth Howell published

New evidence finds substantial water on Mars flowed as recently as 2 billion years ago.

The particle was produced inside the Large Hadron Collider at CERN.

'X particle' from the dawn of time detected inside the Large Hadron Collider

By Ben Turner published

The particle was found by smashing billions of lead atoms into each other at extreme speeds.

The Jovis Tholus volcano on Mars captured by the ExoMars orbiter.

Pictures from space! Our image of the day

By Space.com Staff published

The European ExoMars orbiter captured this image of the Jovis Tholus volcano on Mars, revealing abundant traces of past activity.

Sirius

Sirius: The brightest star in Earth's night sky

By Elizabeth Howell, Ailsa Harvey published

Reference Sirius has been the shiniest star in the sky for a long, long time.

Reference
What is the sun made of?

What is the sun made of?

By Tim Sharp, Ailsa Harvey published

Reference What is the sun made of? In several layers, hot gases are converted into energy and released as heat and light.

Reference
Collecting a meteorite on the Nansen blue ice area, close to the Belgian Antarctic research station Princess Elisabeth.

Meteorite hunters rejoice: Antarctica probably harbors 300,000 undiscovered space rocks

By Charles Q. Choi published

And scientists now have a better idea of where to find them.

Saturn's moon Mimas bears an uncanny resemblance to the Death Star in Star Wars.

Saturn's 'Death Star' moon could have a secret underground ocean

By Ben Turner published

Scientists have found "compelling evidence" that Saturn's "Death Star" moon is hiding an ocean just beneath its surface, furthering the search for possible life in our solar system.

An artist's illustration of the evolution of the interstellar object 'Oumuamua, whose weird, elongated shape may have come from tidal forces.

Could a spacecraft 'catch up' to interstellar visitor 'Oumuamua in just 26 years?

By Chelsea Gohd published

Could we send a spacecraft to the giant, cigar-shaped interstellar interloper 'Oumuamua? Should we?

A mosaic image of Saturn

Saturn: Facts about the ringed planet

By Charles Q. Choi, Scott Dutfield published

Reference Learn about the physical characteristics of Saturn and its famous rings, what we know about Saturn’s moons and Saturn’s roots in Greek mythology.

Reference
Our Sun is a main sequence star, a G-type yellow dwarf that has an estimated total lifetime of around 10 billion years before it leaves its main sequence phase.

Main sequence stars: definition & life cycle

By Nola Taylor Tillman, Ben Biggs published

reference Most stars are main sequence stars that fuse hydrogen to form helium in their cores - including our sun.

reference
eta carinae

Eta Carinae's epic supernova explosion comes to life in new visualization

By Elizabeth Howell published

Data from three space telescopes help tell the story of the impending supernova.

This illustration depicts TOI 700 d, the first Earth-size habitable-zone planet discovered by NASA's TESS mission.

NASA planet-hunting mission finds 5,000 possible alien worlds in less than 4 years

By Meghan Bartels published

It's been a busy four years for NASA's Transiting Exoplanet Survey Satellite (TESS) and the scientists who seek planets in its data.

NASA's James Webb Space Telescope is visible at L2 in this image, next to the arrow.

Virtual Telescope Project captures a view of the James Webb Space Telescope at its final destination

By Elizabeth Howell published

It's orbiting in the bowl of the Big Dipper, from the perspective of Earth.

A portrait painting of Sir Isaac Newton by an anonymous artist

Sir Isaac Newton: Quotes, facts & biography

By Nola Taylor Tillman, Jonathan Gordon published

Reference Sir Isaac Newton invented calculus and explained optics. His most significant work involved forces and the development of a universal law of gravity.

Reference
NASA's James Webb Space Telescope, seen here in an artist's illustration, is at its final destination nearly 1 million miles from Earth.

What's next for NASA's James Webb Space Telescope after its nearly million-mile journey to destination

By Mike Wall published

NASA's James Webb Space Telescope has reached its deep-space destination, but it'll be a while yet before the $10 billion observatory starts its science work.

The Haro 11 galaxy. Like Tololo 0440-381, this nearby galaxy gives off a type of radiation that scientists think resembles the characteristics of the earliest stars in the universe. Haro 11 is about 300 million light-years away in the constellation Sculptor.

Powerful, nearby black holes could help to explain universe's origins

By Doris Elin Urrutia published

Nearby galaxies and their black holes could hold the answers to the existential questions that remain unanswered about the beginning of the universe.

Volcanic ash above the Pacific Ocean after the eruption of the Hunga Tonga volcano in January 2022 seen from the International Space Station.

Tonga undersea volcano eruption released up to 18 megatons of energy

By Mike Wall published

Scientists are starting to take the measure of the monster volcanic eruption that rocked the South Pacific kingdom of Tonga earlier this month.

An artist's representation of the James Webb Space Telescope with its sunshield deployed.

For scientists, relief and joy abound as James Webb Space Telescope completes monthlong journey

By Elizabeth Howell published

The telescope just arrived safely at its deep-space orbit, and commissioning continues to go well.

The planets of the solar system as depicted by a NASA computer illustration. Orbits and sizes are not shown to scale.

Gas giants: Facts about the outer planets and exoplanets

By Elizabeth Howell published

The solar system's outer planets — Jupiter, Saturn, Uranus and Neptune — are helping us probe more about worlds further away.

close