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An artist's depiction of a rocket launching Mars samples off the planet's surface for the journey to Earth.

NASA picks Lockheed Martin to build rocket to carry Mars samples back to Earth

By Mike Wall published 8 February 22

Lockheed Martin will build the Mars Ascent Vehicle, a small rocket that will launch pristine Red Planet samples back toward Earth a decade or so from now.

NASA’s Mars rover Perseverance captured this image of a recently collected sample using its Mastcam-Z camera on Jan. 31, 2022.

Mars rover Perseverance collects new sample after clearing pebble clog

By Mike Wall published 1 February 22

NASA's Mars rover Perseverance has snagged a sample to replace the material that got stuck in its throat.

An unidentified flying object captured on video by a U.S. Navy jet.

2022 could be a turning point in the study of UFOs

By Leonard David published 21 January 22

UAP will get more attention from both the scientific community and the federal government in 2022, experts told Space.com.

Image of the Hubble eXtreme Deep Field, which captures galaxies beyond counting.

Do we live in a simulation? The problem with this mind-bending hypothesis.

By Paul Sutter published 21 January 22

Does the simulation hypothesis offer a compelling argument, or is it just interesting food for thought? Let's find out.

The 10 most Earth-like exoplanets

By Elizabeth Howell, Ailsa Harvey published 20 January 22

Reference Scientists have found nearly 5,000 exoplanets since the first such world was confirmed orbiting a sunlike star in 1995. These ones are most similar to Earth.

Reference

NASA's Curiosity Mars rover used two different cameras to create this selfie in front of a rock outcrop named Mont Mercou, which stands 20 feet (6 meters) tall.

Possible sign of Mars life? Curiosity rover finds 'tantalizing' Red Planet organics

By Mike Wall published 18 January 22

NASA's Curiosity rover has found some interesting organic compounds that may be signs of ancient Mars life, but much more work is needed to vet that hypothesis.

Artist's illustration of potentially habitable exoplanet Proxima b, which orbits the red dwarf star Proxima Centauri.

What really makes a planet habitable? Our assumptions may be wrong

By Paul Sutter published 18 January 22

How common are ice-covered planets like Hoth from "Star Wars," and might they be capable of hosting life? As usual, the answer is, it depends.

Artist's illustration of a Mars with Earth-like surface water.

Chilly, damp Mars may have hosted an ancient ocean

By Charles Q. Choi published 18 January 22

Three billion years ago, the dusty planet we know today was a very different world.

A famous photograph taken by a government employee of an unidentified aerial phenomenon over the Holloman Air Development Center on Oct. 16, 1957. The object may have been secret U.S. technology.

Pentagon launches new UFO office. Not all believers are happy about it.

By Stephanie Pappas published 15 January 22

The U.S. government will officially investigate UFOs with a new office based in the Pentagon.

The Allan Hills 84001 meteorite came from Mars and was found in Antarctica in 1984.

Infamous Mars meteorite contains organic molecules, but they aren't proof of life

By Charles Q. Choi published 13 January 22

Roswell's 'UFO crash site' at the ranch in New Mexico

Roswell Incident: The truth behind the 'flying saucer' crash

By David Crookes, All About Space magazine published 13 January 22

reference Did a UFO really crash land at Roswell, New Mexico in 1947, only to be hushed up by the government?

reference

Mars' Jezero Crater, as photographed by NASA's Perseverance rover on Nov. 28, 2021.

Tour Mars' Jezero Crater with this gorgeous Perseverance rover mosaic (video)

By Mike Wall published 3 January 22

A detailed new image provides a great look at the Perseverance Mars rover's Red Planet home and shows why the mission team is so excited to explore it.

NASA's Perseverance rover acquired this image of the Ingenuity Mars helicopter on the floor of Jezero Crater.

2021 was an epic year for Mars exploration

By Mike Wall published 31 December 21

During this very eventful year, two nations joined the Mars club, a robot plied Red Planet skies for the first time ever and humanity kicked off an ambitious interplanetary sample-return campaign.

9 things we learned about aliens in 2021

By Brandon Specktor published 31 December 21

A bombshell UFO report, the "alien junk" in our solar system, and more new clues about extraterrestrial life.

Artist's illustration of the surface of a planet in the TRAPPIST-1 system, which hosts seven roughly Earth-size worlds.

Fermi Paradox: Where are the aliens?

By Elizabeth Howell published 17 December 21

The universe is incredibly old, incredibly large and teeming with potentially habitable planets. So why haven't we found any sign of aliens yet?

An artist's impression of the purported Black Knight satellite, the focus of a long-lived conspiracy theory.

The 'Black Knight' satellite: A hodgepodge of alien conspiracy theories

By David Crookes, All About Space magazine published 17 December 21

According to conspiracy theorists, the Black Knight satellite is an alien spacecraft orbiting Earth. Here's what's really going on.

A selfie snapped by NASA's Perseverance Mars rover, which has been exploring the Red Planet's Jezero Crater since February 2021.

NASA's Perseverance rover finds organic chemicals on Mars

By Mike Wall published 16 December 21

Perseverance has identified carbon-containing organic chemicals in some of the rocks it's examined on the floor of Mars' Jezero Crater.

An artist's depiction of what rocky exoplanets might look like.

How changing levels of iron shaped the evolution of life on Earth — and why alien hunters should take note

By Hal Drakesmith, Jon Wade published 11 December 21

During the development of life on planet Earth over billions of years, iron deficiency may have stimulated evolution.

The Kardashev scale classes a civilization with a Dyson sphere to harvest its sun's light as type II.

The Kardashev scale: Classifying alien civilizations

By Meghan Bartels published 4 December 21

The Kardashev scale classifies hypothetical alien civilizations by how much energy they use.

How would we give aliens directions to Earth?

By Joanna Thompson published 3 December 21

Giving aliens directions to Earth might be tricky, but scientists have some ideas for how to do it.

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