A new study by the University of Minnesota challenges previous classifications paleontologists use to determine how the ...

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 guide.

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

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 ...

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 ...

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