Ancient organisms may have left microscopic "biosignatures" on Mars. That's according to NASA scientists, who say a rock ...

NASA scientists are the most convinced they’ve been in 30 years about proof of life on Mars. A sample collected back in 2024 was analyzed by scientists who haven’t been able to come up with any other ...

NASA's interim administrator, Sean Duffy, was fired up on Wednesday when he joined a teleconference to talk about new scientific findings that concerned the potential for life to have once existed on ...

In July 2024, NASA’s Perseverance rover extracted a rock core from the edge of Neretva Vallis, a river valley cut into the Martian surface by water rushing into the Jezero Crater billions of years ago ...

NASA’s Perseverance Mars rover captured this image of a rocky area nicknamed “Cheyava Falls” on July 18, 2024, showing black “poppy seed” and larger “leopard spot” features. Researchers say a sample ...

A long time ago, life left microscopic signatures on Mars — or did it? That's the question NASA scientists have worked for years to answer. On Wednesday, NASA researchers said the answer might be in a ...

A rock collected by NASA’s Perseverance rover may hold the strongest evidence of life beyond Earth ever found, officials said Wednesday. Charlie Kirk, Trump ally and rightwing activist, shot and ...

UPDATE for 11 am ET: NASA's Perseverance rover has discovered sediment formations that could be signs of possible biosignatures on Mars, but they could also have a non-biological source. Read our ...