Mass extinction facts and information from National Geographic

The 5 mass extinction events that shaped the history of Earth — and the 6th that's happening now

What caused the 'Great Dying' mass extinction? We may finally know

The Permian Period and Extinction

Discover 5 Incredible Permian Period Animals: Facts, Information, and Timeline

Permian Monsters: Life Before the Dinosaurs

Permian Period: Facts, Information, and Timeline

Discover 9 Incredible Carboniferous Period Animals