Less than 5 percent of the animal species in the seas survived ... For years scientists have known that the deep ocean lacked oxygen in the late Permian. But most life is concentrated in shallow ...

Ancient frog relatives survived the aftermath of the largest mass extinction of species by feeding on freshwater prey that ...

Tropical riparian ecosystems—those found along rivers and wetlands—recovered much faster than expected following the end-Permian mass extinction around 252 million years ago, according to new research ...

Research suggests that tropical riparian ecosystems – those found along rivers and wetlands – recovered much faster than expected following the end-Permian mass extinction around 252 million years ago ...