In the early Triassic period, the Earth experienced extreme heat, turning large land areas uninhabitable. New research reveals that some ancient reptiles managed to survive and migrate through harsh ...

Dinosaurs are among the most iconic creatures to have roamed the Earth, and today they hold a special place in the popular imagination. But what were the earliest ones to appear on the planet?

Their analyses suggest that the ancestors of modern echinoids likely emerged during the Early Permian period and rapidly diversified during the Triassic period in the aftermath of a mass extinction ...

Ancient animals were walking around on bird-like feet over 210 million years ago, according to a new study. Ancient animals were walking around on bird-like feet over 210 million years ago, according ...

Researchers have discovered a previously unknown species of a crocodile-like reptile that lived around 250 million years ago. The new species belongs to an extinct group of animals known as ...

In a simple world, an easy classification rule is that birds have feathers, mammals have hair and reptiles have scales, as did dinosaurs. However, the world is not necessarily simple, and it has been ...

The Triassic period represents a pivotal chapter in Earth’s history, marking not only the recovery from the Permo‐Triassic mass extinction but also a remarkable burst in marine reptile diversity.

A newly described species of ichthyosaur is likely the largest species of marine reptile ever to be formally described, according to a study published April 17 in the open-access journal PLOS ONE by ...

Footprints discovered on a beach in Wales are believed to have been made by an early dinosaur more than 200 million years ago, experts say. Paleontologists at London’s Natural History Museum said the ...

There is new evidence that ancient high latitudes, to which early dinosaurs were largely relegated, regularly froze over, and that the creatures adapted -- an apparent key to their later dominance.

Wildlife photographer discovers at least 20,000 footprints dating back about 210 million years to the Triassic period ...

Whoever the trackmakers are, these footprints establish the origin of bird-like feet at least as early as the Late Triassic Period. The authors add: “ Trisauropodiscus tracks are known from numerous ...