Tenontosaurus fossils found in West Texas, the southernmost record of the dinosaur and a key to the Early Cretaceous.

Learn how fossils form through sedimentation and mineralization. Discover types like moulds, casts, and trace fossils in our ...

Several years ago my daughter and I took a minivacation to Kelleys Island, home of the famous Glacial Grooves. While we were there the island experienced an explosion of mayflies – they were ...

The fossilized skull of a pliosaur. Credit: Paleontological Research Center at Villa de Leyva Fossils of an extinct species of marine turtle (Desmarochelys padilla) from the Early Cretaceous in ...

What does it take for soft-bodied animals, built to rot not to rock, to persist for 500 million years in the Grand Canyon?

Longtime fossil collector Barry Norbeck donated thousands of shells and other invertebrate fossils to the Calvert Marine ...

Scientists have discovered the fossils of two new species of sturgeon fish in the Hell Creek Formation of North Dakota that were likely buried when the dinosaur-ending Chicxulub asteroid hit Earth.

Hardscrabble fossil hunters in Wyoming make astounding discoveries that change what we know about the earth’s history. The mining town of Kemmerer, in the Green River Formation, is ground zero for the ...

A 70 million year old dinosaur egg from China stunned scientists when it revealed glittering crystals inside, raising new ...