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

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

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

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 ...

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 ...

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 ...

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.