More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed.

After the end-Permian mass extinction, certain species thrived in warmer, oxygen-depleted waters, spreading globally. This ...

Fossils from China’s Turpan-Hami Basin reveal it was a rare land refuge during the end-Permian extinction, with fast ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

Learn about the climate changes that followed the end-Permian extinction, allowing select species to take over the planet’s ...

Stanford scientists found that dramatic climate changes after the Great Dying enabled a few marine species to spread globally ...

After Earth's worst mass extinction, surviving ocean animals spread worldwide. Stanford's model shows why this happened.

Scientists don’t call it the “Great Dying” for nothing. About 252 million years ago, upward of 80% of all marine species ...

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

An environmental group instrumental in winning an endangered species listing for a struggling lizard species in the Permian ...

“And that’s how it all started.” This choice helped spark a decades-long movement to revive a language at the edge of extinction. For the Sámi, language is more than communication—it’s ...