(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 ...

A detection of phosphine in the atmosphere of a brown dwarf 54 light-years from Earth deepens the mystery of phosphorus chemistry throughout the Milky Way. An ancient object more than 10 billion years ...

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 ...

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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A biosignature is any characteristic, element, molecule, substance or feature that serves as evidence for past or present life. It ...

(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 ...