Newly revealed fossils of four new ancient penguin species highlight how their early evolution optimised wings and feet for ...

Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.

The fossils at the Mazon Creek site are so abundant and so well-preserved that researchers can reconstruct a detailed impression of the prehistoric ecosystem of which they were a part.

Researchers have unearthed tooth fossils in Ethiopia dating to about 2.65 million years ago of a previously unknown species ...

Fossils are invaluable archives of the past. They preserve details about living things from a few thousand to hundreds of millions of years ago.

The fossils were found at Big Bend National Park in Texas. Paleontologists have found fossilized remains of a giant possum-like mammal that lived 60 million years ago. The fossils, found at Big ...