extinction event
A Warning Sign of a Mass Extinction Event Is on the Rise, Scientists Say
Toxic microbial blooms thrived during the Great Dying, the most severe extinction in Earth's history, and they are proliferating again due to human activity.
The First Known Extinction Event May Have Been Caused by Early Animals
Life finds a way, but it never said it would be polite about it.
Scientists Model the Epic Cloud of Smoke that May Have Killed the Dinosaurs
Atmospheric soot may explain why crocodilians endured the fallout while dinosaurs perished.
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Human Civilization at Risk of Ending, Scientists, Governors, and Pope Agree
"We're talking about extinction."
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