Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for ...

NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life, scientists reported Wednesday. They stressed that in-depth analysis ...

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...

The groundbreaking discovery points to the possibility of past life on Mars. A 3.5-billion-year old rock discovered on the Red Planet is "the closest we've come to discovering ancient life on Mars," ...

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 ...

CAPE CANAVERAL, Fla. (AP) — NASA’s Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life, scientists reported Wednesday. They ...