3.75-billion-year-old tree-like organism suggests life branched out earlier than expected

If diverse life evolved only 300 million years after Earth formed, the universe could be more hospitable than we think.

4billion year old tree-like fossil
3.75-billion-year-old, centimetre-size “tree-like” branched fossil discovered in rock unearthed in Québec, Canada. Credit: Dominic Papineau
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