Life on Earth likely started 4.1 billion years ago, much earlier scientists thought

Posted by Washington Post: Juliet Eilperin on October 19th, 2015
ScienceDaily: UCLA geochemists have found evidence that life likely existed on Earth at least 4.1 billion years ago -- 300 million years earlier than previous research suggested. The discovery indicates that life may have begun shortly after the planet formed 4.54 billion years ago. The research is published today in the online early edition of the journal Proceedings of the National Academy of Sciences. "Twenty years ago, this would have been heretical; finding evidence of life 3.8 billion years ago was......

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