NASA has quietly taken a major step toward crewed missions to Mars by selecting four people to live and work in a sealed, ...

NASA made a big splash today, announcing that its Mars Perseverance rover had spotted “potential biosignatures” last year while examining a rock covered in unusual spots. It was a compelling finding, ...

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. — 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 ...

The rover’s science instruments found that the formation’s sedimentary rocks are composed of clay and silt, which, on Earth, are excellent preservers of past microbial life. The findings were made ...