The Triassic Period was a time of great change. Bookended by extinctions, this era saw huge shifts in the diversity and dominance of life on Earth, ushering in the appearance of many well-known groups ...

A recently discovered species of ancient crocodile was found to be much sturdier than even our modern-day crocs. Indeed these ...

and gave rise to new creatures, including rodent-size mammals and the first dinosaurs. By the start of the Triassic, all the Earth's landmasses had coalesced to form Pangaea, a supercontinent ...

These strange animals are ... reptile whose lineage stretches back approximately 230 million years to the Triassic period, making it one of the oldest surviving lineages of reptiles.

Capturing fossil life from the eastern Panthalassan Ocean of the Triassic, the locality that includes the Favret Formation is known for fossils of sea-going creatures like ammonites along with ...

The traits that dinosaurs and pterosaurs evolved at small size, when the animals were squeaking by in a world filled with more imposing reptiles, may have allowed them to survive the end-Triassic ...

Dating to around 230 million years ago, in the Late Triassic Period, the Ischigualasto Formation in Argentina contains an array of animal remains. It shows that the environment was dominated by early ...

A creature that takes to the third dimension ... Pterosaurs, Greek for “wing lizards,” arrived on the scene in the Triassic Period, perhaps as early as around 237 million years ago.

Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos like Therizinosaurus, ...

The period of time before the Triassic was called the Permian. This was a time when a wide variety of animals lived, including a group of animals called the synapsids, which would later evolve ...