In a quiet corner of an ancient riverbed on Mars, a speckled rock has pushed the search for extraterrestrial life into its ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

NASA is quietly rewriting the script for human exploration of the Red Planet, turning robots from remote-controlled tools ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

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 ...

NASA announced it found promising potential biosignatures on Mars. Potential biosignatures are things like chemicals and structures that could be a result of life on the planet, but more research was ...

On January 3, 2004, NASA’s Spirit rover successfully completed a major step in space exploration history, touching down on ...

Did NASA really just announce the existence of aliens? Not quite. Here's what the new evidence uncovered on Mars really means. NASA's Perseverance rover has uncovered what could be evidence that Mars ...

Over four years since it landed on Mars, NASA's Perseverance Rover might have made serious headway in its mission to find signs of ancient microbial life on the planet. Last July, the autonomous ...

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 ...

Samples collected from a rock dubbed “Cheyava Falls” contain a structure that hints at the possibility of having a biological origin, according to the space agency, but more research needs to be ...