Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a halt ...

Earth's largest mass extinction eliminated a lot of marine species. But it didn't eliminate them all. According to a study in Science Advances, warm, oxygen-depleted waters may have helped select ...

About 252 million years ago, 80 to 90 percent of life on Earth was wiped out. In the Turpan-Hami Basin, life persisted and bounced back faster.

A Texas representative wants to remove a rare lizard from the endangered species list, which would pave the way for oil and ...

About 252 million years ago, upward of 80% of all marine species vanished during the end-Permian mass extinction—the most extreme event of its kind in Earth's history. What followed was a ...

The lizards live in a very small area of West Texas and southeastern New Mexico that includes part of the Permian Basin, which over the last decade has been one of world’s fastest-growing oil and gas ...

However, clams took over the oceans in the aftermath of the end-Permian extinction, along with oysters, snails, and slugs. Earth’s largest mass extinction eliminated a lot of marine species. But it ...