The most famous die-off ended the reign of the dinosaurs 65 million years ... the terrestrial realm's transition from the Permian to the Triassic period." We ascended through sheep-ranching ...

Dinosaurs evolved from more primitive reptiles in the aftermath of Earth’s biggest mass-extinction event caused by extreme volcanism at the end of the Permian Period about 252 million years ago.

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

The Triassic Period was a time of great change ... when the archosaurian reptiles, which includes the dinosaurs, came to dominate.' The cause of the Permian-Triassic extinction event is not fully ...

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

This also marked the first time the earliest dinosaurs appeared. The Permian period’s mass extinction had wiped out the mammals that could have been competitors for these reptiles on land and in ...

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

This not only marked the end of the Permian period and the start of the Triassic ... Alongside these terrestrial vertebrates, the first dinosaurs began to appear. They were mostly much smaller ...

That distinction belongs to the Permian-Triassic extinction or the Great Dying. During this dramatic period of climate ... as the ancestors of mammals and dinosaurs began to diversify.

The Early Permian dissorophid Cacops displays its fearsome dentition ... researchers examined about 100 of their fossils from throughout that period. They measured the fossils’ body size, skull shape, ...