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Australian Fossils Hint At Where To Search For Life On Mars

Scientists say the rocks lend weight to a theory that life on Earth originated, as Darwin wrote, "in some warm little pond" on land, suggesting we should look for it in similar environments on Mars.
Scientists believe the bubbles visible in the rock were once a sticky substance created by microbial activity.

Old rocks found in the Australian Outback have some weighty implications, scientists say: They hint at the environment in which life on Earth originated and suggest a location to search for life on Mars.

Scientists in Australia say they have found biological signatures of life in rocks that also show the presence of a hot spring, lending weight to a theory that the earliest life on Earth might have originated in freshwater hot.

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