Scientists Just Upended the Timeline of Life on Earth

  • Publish date: Friday، 20 March 2026 Reading time: 1 min read

Scientists Just Upended the Timeline of Life on Earth

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Scientists over the decades have thought they had a fairly clear picture as to when life first appeared on Earth. The generally accepted chronology was that the start of life was 3.5-3.8 billion years ago. But new studies and unexpected findings are starting to refute this assumption. New findings suggest that life existed much earlier than before, and it is changing the way we comprehend the history of the Earth.