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

PHOENIX — Fossils from the Petrified Forest National Park, in northern Arizona, revealed a new reptile species that thrived during the Triassic Period. Paleontologists and partners with the ...

A fossil unearthed along the coast of England was identified as a new species of a renowned “sword dragon” reptile that dominated the sea during the Jurassic Period. The nearly complete ichthyosaur ...

A fossilized colony of small burrowing reptiles that lived some 250 million years ago was recently found in South Africa. It's the first time that the Procolophon trigoniceps, which lived in the ...

Marine palaeoecosystems of the past are intricately linked with the diverse assemblages of fossil reptiles especially in the Mesozoic. Recent work has shown a much greater diversity of such Mesozoic ...

Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. Subscribe to read this story ad-free Get unlimited access to ...

Your lungs are working overtime right now — probably without you even thinking about it. But the system powering every single breath you take? It’s nearly 290 million years old. A jaw-dropping fossil ...

Explore how new fossils and advanced technology are revealing the evolutionary origins and diversity of snakes throughout ...