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

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

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

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 vanished during the end-Permian mass extinction – the most extreme ...

There definitely were no muppets during the Permian Period, but there was a Kermit – or at least a forerunner of modern amphibians that has been named after the celebrity frog. Scientists on ...