"Welcome to the Black Triangle," said paleobiologist Cindy Looy as our van slowed to a stop in the gentle hills of the northern Czech Republic, a few miles from the German and Polish borders.

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

A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

The mass extinction that ended the Permian geological epoch, 252 million years ago, wiped out most animals living on Earth. Huge volcanoes erupted, releasing 100,000 billion metric tons of carbon ...

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

When we talk about mass extinction events, the first case that usually comes to mind is when an asteroid struck Earth about 66 million years ago and triggered the extinction of the dinosaurs.

Tropical riparian ecosystems—those found along rivers and wetlands—recovered much faster than expected following the end-Permian mass extinction around 252 million years ago, according to new ...

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

The mass extinction that ended the Permian geological epoch, 252 million years ago, wiped out most animals living on Earth. Huge volcanoes erupted, releasing 100,000 billion metric tons of carbon ...

Life diversified in the eons leading up to the catastrophic extinctions that saw the Permian give way to the first age of the dinosaurs, the Triassic. A single global ocean surrounded an ...