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 ...

The dinosaur extinction is widely known, but the end-Permian mass extinction was an even more devastating event in Earth’s history. This extinction event occurred 252 million years ago and was most ...

Ancient amphibians survived Earth's biggest extinction by feeding on freshwater prey. Their adaptability helped them thrive.

The Tulsa Zoo is showing off its new exhibit, which takes guests through an immersive area full of different dinosaurs and ...

An ancient mass extinction event left a long-hidden refuge, whose survivors repopulated the Earth much faster than previously ...