The Perseverance rover is building up a stash of rocks on Mars that could contain the first-ever signs of alien life, but NASA is scrambling to figure out how it will bring them back to Earth for ...

“Pursuing two potential paths forward will ensure that NASA is able to bring these samples back from Mars with significant cost and schedule saving compared to the previous plan,” former NASA ...

NASA will explore two different strategies for fetching Mars rocks collected by the Perseverance rover, and there's a chance these samples contain evidence of alien life. When you purchase through ...