While we can’t say exactly how many animal species have gone extinct in the past 125 years, it’s estimated that between 200 and 500 species have faced extinction in the past century. In the ...

Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the ...

We often mourn their loss too late, once they’re already gone, preserved only in books, museums, or memory. The following is a haunting reminder of that truth: ten animals that disappeared ...

Fusulines thrived in cold seas but vanished twice when warming from volcanoes rapidly spiked ocean carbon levels.

Applying 100 E/MSY to Cowie's 2022 method suggests 100,000 of the roughly 2 million known species have gone extinct over the past 500 years. However, that doesn't account for unknown animal species.

According to The Cool Down, the Omiltemi cottontail rabbit was “lost” to the forests of Mexico about 120 years ago. This, of course, led researchers to believe that the species had gone extinct.

50-Million-Year-Old Footprints Open a ‘Rare Window’ Into the Behaviors of Extinct Animals That Once Roamed in Oregon Scientists revisited tracks made by a shorebird, a lizard, a cat-like ...

The species went extinct about 12,000 years ago. Scientists have discovered a pristine fossil of a mummified saber-toothed kitten that had been frozen in the Russian tundra for about 37,000 years ...