The discovery of nearly 20 alligator-size amphibians that died together during the Triassic in what is now Wyoming is ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

New research from the State Museum of Natural History Stuttgart reconstructs Triassic terrestrial ecosystems using fossils ...

The Triassic Period was a time of great change ... By some estimations, the Great Dying was responsible for the extinction of up to 90% of all species. It wiped out many groups of insects, large ...

After Earth's worst mass extinction, surviving ocean animals spread worldwide. Stanford's model shows why this happened.

Despite the widespread devastation, life recovered during the Triassic period as new species arose and diversified quickly. This also marked the first time the earliest dinosaurs appeared.

Scientists racing the clock to finish excavating top southern Utah dinosaur fossil site before construction on a power ...

Less than 5 percent of the animal species in the seas survived ... terrestrial realm's transition from the Permian to the Triassic period." We ascended through sheep-ranching country toward ...

(Although this species and many discovered soon after ... Pterosaurs originated during the Triassic Period — well before the other two groups of flying vertebrates, birds and bats ...

A rare fossil unearthed in Mongolia's Gobi Desert has led to the identification of a new dinosaur species Duonychus ...

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