A gigantic space rock that slammed into Earth more than three billion years ago grievously wounded the biosphere—and then ...
Cataclysmic cosmic collisions may have benefited the evolution of primitive organisms early in Earth's history, a study says.
A meteorite 200 times larger than the one that killed the dinosaurs once hit Earth. Surprisingly, it may have helped kick ...
Recent scientific findings highlight two major discoveries: a massive meteorite 3.26 billion years ago enriched Earth's early ...
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