Around 252 million years ago, Earth’s oceans became a lethal test of animal physiology. Nearly every marine species vanished, ...

Paleontologists in the U.K. and China have shown that the natural world bounced back vigorously following the End-Permian Extinction. In a review, published today in the journal Frontiers in Earth ...

A new species of ancient reptile has been named after spending more than 200 million years buried in the ground. Threordatoth chasmatos was one of the last survivors of the procolophonids, a group of ...

A new Stanford-led study offers the clearest picture yet of how some ocean life survived our planet's biggest mass extinction ...

More than 200 million years ago, life on Earth was experimenting with new forms. The Triassic period gave rise to animals ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Three-toed fossil ...

The biggest mass extinction of all time happened 251 million years ago, at the Permian-Triassic boundary. Virtually all of life was wiped out, but the pattern of how life was killed off on land has ...

A Triassic herbivore, known for its supposed similarities to a modern-day ostrich, has been revealed to have entirely different approach to feeding from previously thought. A Triassic herbivore, known ...

Add Yahoo as a preferred source to see more of our stories on Google. Reconstruction of Labrujasuchus expectatus, a new species of Shuvosauridae from Late Triassic rocks of Ghost Ranch, New Mexico.

An artist’s conception shows a type of dicynodont known as Dicynodon. (Illustration by Marlene Hill Donnelly) Dental exams conducted on fossils from more than 200 million years ago suggest that the ...

Had a volcano-driven mass extinction not occurred at the end of the Triassic 201 million years ago, we likely would have had something closer to an Age of Crocodiles than the Age of Dinosaurs that ...

In a review, published today in the journal Frontiers in Earth Science, scientists reveal that predators became meaner and prey animals adapted rapidly to find new ways to survive. On land, the ...