An extinct reptile's oddly shaped chompers and bones suggest some creatures and plants bounced back quickly after a mass extinction.
Recreating 130,000 years of mammal food webs with machine learning reveals the scope of the biodiversity crisis.
"People responsible for saving the bison from extinction in the late 1800s are also responsible for introducing cattle genetics into this species."
A newly discovered fossil belongs to a softshell turtle that lived alongside Tyrannosaurus rex and triceratops in North Dakota 66.5 million years ago.
Threatened birds have disappeared from almost 70% of Australia—and 10 birds have become locally extinct from 99% of their historical habitat.
To accurately predict species distribution and risk of extinction, models must include more than just climate, researchers say.
The extinction of large mammals like wooly mammoths between 50,000 and 6,000 years ago led to more wildfires across the globe's grasslands.
A "volcanic winter" that drastically lowered Earth's temperatures, likely contributed to the mass extinction that happened 250 million years ago.
An asteroid that struck Earth 66 million years ago killed nearly all dinosaurs, plants, and animals. So how did some creatures survive the mass extinction?
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