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LiveScience
LiveScience
Patrick Pester

Mars rock samples may contain evidence of alien life, but can NASA get them back to Earth?

NASA Mars Earth SpaceCom
Photomontage of tubes containing Martian samples that NASA plans to bring back to Earth. .

NASA has announced two potential plans for retrieving rocks from Mars that may contain evidence of alien life.

Since 2021, NASA's Perseverance rover has been busy collecting rocks and sediments in an ancient Martian lakebed. However, NASA isn't sure how to get these samples back to Earth for analysis.

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