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Signs of ancient life may have been found in Martian rock – new study

By Sean McMahon, Reader in Astrobiology, University of Edinburgh

Just over a year ago, Nasa made a remarkable announcement. The Perseverance rover had found potential signs of ancient life on Mars. Now, the technical details behind that discovery have been published in a Nature paper that, despite its rather modest wording, may ultimately prove to be among the most significant in the history of science.

The bottom line is this: it might be life, but we won’t…

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