If we're going to look for life on other worlds, why not start with the one planet we know has life? Earth's atmosphere is rich with oxygen and molecules such as methane, which strongly suggest the presence of life. It also ...
Astrobiology
Sep 4, 2023
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How did life come about? The answer to this question goes to the very heart of our existence on planet Earth.
Astrobiology
Mar 25, 2023
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Using seismic activity to probe the interior of Mars, geophysicists have found evidence for a large underground reservoir of liquid water—enough to fill oceans on the planet's surface.
Astrobiology
Aug 12, 2024
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439
An international team of astronomers reports the detection of a new "super-Earth" exoplanet using NASA's Transiting Exoplanet Survey Satellite (TESS). The newfound alien world, designated TOI-244 b, turns out to have an unusually ...
Europa is one of the largest of more than 90 moons in orbit around the planet Jupiter. It is also one of the best places to look for alien life.
Astrobiology
Apr 6, 2024
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There's something poetic about humanity's attempt to detect other civilizations somewhere in the Milky Way's expanse. There's also something futile about it. But we're not going to stop. There's little doubt about that.
Astronomy
May 10, 2024
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In an age of ever-growing numbers of exoplanets circling other stars, it's natural that astronomers search for signatures of advanced civilizations. Such signatures may have biological or technological origins.
Astrobiology
Sep 18, 2023
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The origin of life on Earth is still enigmatic, but we are slowly unraveling the steps involved and the necessary ingredients. Scientists believe life arose in a primordial soup of organic chemicals and biomolecules on the ...
Astrobiology
Apr 21, 2024
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Inspired by science fiction and a strange phenomenon on the Martian surface, researchers have discovered a way that Earth life could survive on the red planet.
Astrobiology
Aug 5, 2019
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In April, scientists captured global attention by announcing they'd found a molecule in a faraway planet's atmosphere that could signal life there.
Astrobiology
May 23, 2025
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