NASA's Curiosity rover has detected five organic compounds never before identified on Mars, in rock from a 3.5-billion-year ...

A single scoop of ancient Martian sandstone has yielded the richest haul of organic molecules ever pulled from a rock on ...

These findings do not confirm past life but indicate Mars once had the right chemistry to support it. We're getting closer ...

Add Yahoo as a preferred source to see more of our stories on Google. Physicists have worked out exactly how fast time passes on Mars compared with Earth. (CREDIT: Wikimedia / CC BY-SA 4.0) On ...

Ancient ripple layers on Mars capture a single sandstorm, helping scientists estimate how dense the planet’s atmosphere once ...

Some Earth-based microbes may be tougher than expected, raising new questions about survival beyond our planet.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Mars is racing through ...

The findings reveal that the Martian surface can preserve the kinds of molecules that could serve as signs of ancient life.