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Nasa Curiosity rover tests suggest life may have existed on Mars

Nasa Curiosity rover tests suggest life may have existed on Mars

The Guardian

An ancient network of rivers on Mars once made parts of the planet habitable for microbial life, according to the latest analysis from Nasa's Curiosity rover. Rock dust drilled from sediments in the giant Gale crater on the red planet were found to contain clay minerals that can have formed only in …

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