The United States is stepping back from the most direct test yet of possible alien biology on Mars just as new telescopes and ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) When scientists started looking into the data, they found two types of iron-rich ...

Hints of life may have just flickered into view from a world 124 light-years away, and the signal is coming through the James ...

This figure shows ozone detection in Venus' atmosphere between 2006 and 2014 by the ESA's Venus Express. Credit: Evdokimova et al. 2011, JGR Planets Just because we can find ozone in the atmosphere of ...

As the New York Times reports, NASA researchers aren’t quite ready to declare that they’ve found definitive biosignatures — the scientific term for “signs of life” — in the piece of ancient rock the ...

Researchers lay out a framework explaining how methane could be a biosignature rather than a false alarm. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

New laboratory data indicates that if the gas phosphine is on Venus, it could come from deep in the planet’s interior. Reading time 3 minutes A team of planetary scientists said that if there is ...

On Sept. 10, NASA announced that the Perseverance Mars may have come close to discovering life on the red planet. A sample collected by NASA’s Perseverance Mars rover from an ancient dry riverbed in ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Amy J. Williams, University of Florida (THE CONVERSATION) As the Perseverance rover ...