The mass extinction that ended the Permian geological epoch, 252 million years ago, wiped out most animals living on Earth.

Research shows how Earth's climate suddenly warmed 10°C, transforming ecosystems and causing the worst mass extinction in history.

Ancient frog relatives survived the aftermath of the largest mass extinction of species by feeding on freshwater prey that evaded terrestrial predators, academics have found.

Witton ( The end-Permian mass extinction, 252 million years ago, was the largest, wiping out up to 90% of species.