Learn why scientists are cautiously optimistic about the potential biosignatures found in the Sapphire Canyon rock sample.

NASA has found potential signs of life on Mars, the agency said last Wednesday. Although additional scientific study is ...

But the claim that NASA announced found life on Mars was false. NASA announced it found promising evidence of potential ...

The question of whether there is or was life on Mars has been around for a long time, but NASA's Perseverance rover might ...

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

Scientists at the National Aeronautics and Space Administration caused a stir last week when they announced they had found ...

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

Acting NASA Administrator Sean Duffy and Nicky Fox, head of NASA's Science Mission Directorate, discuss the paper published ...

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

NASA's Perseverance rover has uncovered rocks within an ancient river channel on Mars that could hold clues to long-vanished ...

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

There might’ve been life on Mars after all. Although it resembles a coral typically found at the bottom of the ocean, it was a piece of rock that a NASA spacecraft — Curiosity rover — recently ...