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

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

About 250 million years ago, at the end of the Permian period, something killed some 90 percent of the planet's species. Less than 5 percent of the animal species in the seas survived. On land ...

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

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

This illustration shows the percentage of marine animals that went extinct at the end of the Permian era by latitude, from the model (black line) and from the fossil record (blue dots).

“These were predatory animals that fed on fishes and other ... of body sizes that they did during the earlier days of the Permian period. Some of the temnospondyls were small and fed on insects ...

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

Among them were the chordates, to which vertebrates (animals with backbones ... survived until the mega-extinction that ended the Permian period 251 million years ago. A predator of the Cambrian ...

Nobu Tamura/Wikimedia Commons The Triassic Period (252-201 million years ago) began after Earth's worst-ever extinction event devastated life. The Permian-Triassic extinction ... a group of animals ...