(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 ...

In a quiet corner of an ancient riverbed on Mars, a speckled rock has pushed the search for extraterrestrial life into its ...

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 ...

Have you ever had your cheek fat measured? I have. I wish it was just cheek fat. I also hopped on a 360-degree body scanner and had a pair of metal calipers taken to my knee, chin, stomach, hips, and ...

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 ...

In the early 1960s, the independent scientist James Lovelock worked as a consultant for NASA developing ways to analyse extraterrestrial atmospheres. This work led him to the dramatic conclusion that ...

Past research has found that some planets create oxygen without the presence of biological organism , which has caused experts to believe this other worlds can sustain life. But new findings will help ...

(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 ...