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

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

Toward the end of the Permian period, the planet was reeling ... where the die-offs of certain predator and competitor creatures allow one surviving group of organisms to go gangbusters.

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