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The first Brachychampsa fossil was discovered in Montana's Hell Creek Formation—an ancient suite of rocks that was laid down near the end of the Cretaceous period. That individual animal lived ...

77-Million-Year-Old Skeleton of a Gorgosaurus to Be Auctioned for the First Time Maximus' skull was found in the South Dakota portion of the Hell Creek Formation, according to Sotheby's.

Performed by the Prehistoric Body Theater ensemble, Indonesian dancers channel prehistoric dinosaurs as they explore themes of mass extinction, climate crisis, and evolutionary ancestry through ...

and translucent” organic cellular and vascular structures in a fibrous meshwork in tyrannosaur and hadrosaur dinosaur bones from deposits of the Hell Creek Formation in Montana. These deposits ...

Fans of dinosaurs will want to head down to the Sioux City Public Museum. Their latest exhibit, “Dinosaurs of Hell Creek” opened today. It showcases fossils excavated from the “Hell Creek” formation ...