"The results reported here can be crucial when down-selecting which samples, if not all, are returned to Earth." ...

NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ...

Minerals in the rock might have been produced by microbes in chemical reactions, but researchers say they’ll need to examine ...

In fairness to the Perseverance rover, this is exactly what it was built for. Nicknamed Percy, the machine was sent to Jezero ...

Was there ever life on Mars? Planetary scientists think there could have been but there hasn’t been any direct evidence.

Earlier evidence pointing to ancient microbial life on the red planet hasn’t held up.

The potential “biosignature” isn’t direct evidence of life itself, but rather a leftover sign that textural features on the ...

“This finding by Perseverance …is the closest we have ever come to discovering life on Mars,” said acting NASA administrator ...

NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient ...

Has NASA's Perseverance rover at long last found evidence that life did indeed once exist on Mars? Here's what we know.

NASA’s Perseverance rover on Mars stumbled upon rocks last year that scientists think may show signs that Mars once hosted ...

Martian mudstones contain features that NASA says are the "clearest sign of life" yet on Mars, according to new findings from ...