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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 ...

NASA is working on a groundbreaking nuclear electric propulsion system that could dramatically speed up trips to Mars. The ...

NASA will investigate two new approaches to bring its Mars samples to Earth through a mission proposal that is less expensive and technically complicated. Either change in the mission's design ...

After an independent review concluded NASA's plans to robotically collect and return rock and soil samples from Mars could cost up to $11 billion, NASA "pulled the plug" and is focusing on two ...

“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 has two options for bringing rock and sediment samples from Mars to Earth, but will let the incoming Trump administration decide which course to take. An independent review board found that ...

For nearly four years, NASA's Perseverance rover has journeyed across an unexplored patch of land on Mars—once home to an ancient river delta—and collected a slew of rock samples sealed inside ...

To maximize chances of successfully bringing the first Martian rock and sediment samples to Earth for the benefit of humanity, NASA announced Tuesday a new approach to its Mars Sample Return Program.

Anyone hoping for a clear path forward this year for NASA's imperiled Mars Sample Return mission will have to wait a little longer. The agency has settled on two potential strategies for the first ...