‘False fossils’ littered throughout Mars might complicate the seek for life on Red Planet


NASA’s Perseverance rover, which is searching signs of ancient life on Mars. (Image credit: NASA/JPL-Caltech/MSSS)

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Mars could also be lined in dozens of various nonbiological “false fossils,” which might intervene with the seek for life on the Red Planet, two researchers say.

NASA’s Perseverance rover touched down on Mars in February, and the European Space Agency (ESA)  will launch the Rosalind Franklin rover in 2022. Both will scour the Martian floor for biosignatures — traces of previous life — left behind from round 4 billion years in the past, when the planet might have been liveable.

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