A fragment of ancient reptile skin discovered in an Oklahoma cave is changing what scientists know about early life on land. Dated to nearly 300 million years ago, this fossilized skin is now ...

Usually, fossilized animal remains result from bits of bone or impressions of a creature long-passed. But sometimes a specific place has just the right conditions to preserve even more. From Richards ...

A remarkably preserved, mummified reptile from 289 million years ago is rewriting what we know about how animals first ...

A collection of fossilised fragments of skin are the oldest ever found. The 300-million-year-old fossils belonged to a crocodile-like reptile and could help us understand how skin evolved. It is rare ...

A tiny ancient reptile just revealed the moment breathing as we know it began — and it changed life on Earth forever.