Inside the Crater Where Earth’s First Oxygen May Have Been Born

AI Summary

A Korean crater, dated to be 42,000 years old, has yielded microbial fossils that may provide new insights into the origins of Earth's oxygen. This unexpected discovery challenges long-held scientific beliefs about the planet's history.

A 42000-year-old Korean crater has yielded microbial fossils that could rewrite the origin of Earth's oxygen, and nobody saw it coming.