A machine learning framework can distinguish molecules made by biological processes from those formed through non-biological processes and could be used to analyze samples returned by current and future planetary missions. ...
Astrobiology
19 hours ago
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1
A new study uncovered fresh chemical evidence of life in rocks more than 3.3 billion years old, along with molecular traces showing that oxygen-producing photosynthesis emerged nearly a billion years earlier than previously ...
Astrobiology
Nov 17, 2025
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163
Iron rusts. On Earth, this common chemical reaction often signals the presence of something far more interesting than just corroding metal—for example, living microorganisms that make their living by manipulating iron atoms. ...
Astrobiology
Nov 13, 2025
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If there is, or ever has been, life on Mars, the chances are it would exist in caves protected from the severe dust storms, extreme temperatures, and high radiation present on its surface. One place to focus our attention ...
Astronomers using the European Space Agency's XMM-Newton space observatory and the LOFAR telescope have definitively spotted an explosive burst of material thrown out into space by another star—a burst powerful enough to ...
Astrobiology
Nov 12, 2025
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7
Scientists from New York University Abu Dhabi (NYUAD) have uncovered new evidence that water once flowed beneath the surface of Mars, revealing that the planet may have remained habitable for life much longer than previously ...
Astrobiology
Nov 12, 2025
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163
When the James Webb Space Telescope detected potential biosignatures in the atmosphere of K2-18 b last year, the discovery sparked intense debate. Here was a sub-Neptune exoplanet 124 light years away, possibly harboring ...
Astrobiology
Nov 12, 2025
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14
Exploring one of science's most exciting frontiers, the book "Life in Space" bridges astrophysics and biology to uncover the conditions that make life possible—on Earth and beyond. Designed for students and general readers ...
Astronomy
Nov 12, 2025
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1
Cloud cover is bad for picnics and for viewing stars through a telescope. But an exoplanet with dense or even total cloud cover could help astronomers search for signs of life beyond our planet.
Astrobiology
Nov 11, 2025
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72
At a young age, we're told how the sun warms Earth and makes life possible. That idea sticks with most of us for life. But when we want to understand things more thoroughly and we dig more deeply, we learn that Earth has ...
Astrobiology
Nov 11, 2025
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