Evidence of ancient life may have been scrubbed from parts of Mars, a new NASA study has found.
The space agency’s Curiosity rover made the surprising discovery while investigating clay-rich sedimentary rocks around its landing site in Gale Crater, a former lake that was made when an asteroid struck the Red Planet roughly 3.6 billion years ago. Read more here https://www.sciencealert.com/curiosity-rover-discovers-that-ancient-signs-of-life-on-mars-may-have-been-erased-by-brine
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