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

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

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

NASA recently announced that its Perseverance Mars rover discovered rock material containing potential biosignatures, with ...

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

Fresh analysis of Perseverance rover data reveals Jezero Crater experienced repeated episodes of water activity, ...

"When we see features like this in sediment on Earth, these minerals are often the byproduct of microbial metabolisms that ...

"The idea was for our payload to get us just up to the potential biosignature designation and have the rest of the story told ...

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

Curious-looking rocks found in a riverbed on Mars could hold the best clue yet that life once thrived on the Red Planet.

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

NASA’s Opportunity rover has officially concluded its groundbreaking mission on Mars, sending its final signals to Earth and leaving behind a legacy that reshaped our understanding of the Red Planet.