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 ...

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

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

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, ...

We could be one step closer to proving alien existence. In 1996, a group of NASA scientists made a stunning announcement: The discovery of what appeared to be bacterial fossils on Mars. President Bill ...

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

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 ...

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 ...

Two recent discoveries from Mars - one from the surface and one in the atmosphere - are the latest evidence that the Red Planet could have once supported life, according to NASA. The space agency ...