Last year, researchers excitedly announced that they had found two organic compounds essential for living organisms in samples retrieved from a distant asteroid called Ryugu. The Japanese Space Agency ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Mars Sample Return program has been effectively cancelled, meaning the best evidence of life on Mars could be trapped in ...

CNN — When the Apollo 11 astronauts returned to Earth after their historic moon landing, they brought back lunar samples for scientists to study. In light of the 50th anniversary of the first lunar ...

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 ...

NASA's Perseverance Rover has achieved a major milestone in its mission to search for signs of ancient microbial life on Mars by successfully collecting the first Mars sample on Thursday, March 30.

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts to collect Perseverance rover samples that could contain evidence of alien ...