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Biosignatures & Paleobiology: September 2019


Scientists have found exceptionally preserved microbial remains in some of Earth's oldest rocks in Western Australia - a major advance in the field, offering clues for how life on Earth originated.

A recent study supported in part by the NASA Exobiology Program provides further details about lipid biomarkers in stromatolites. The research focuses on microbial mat communities in ponds at Guerrero Negro, Baja California Sur, Mexico.