"Prehistoric World" is a new book by Aaron Woodruff, the museum's collection manager for vertebrate paleontology. It includes profiles and illustrations of prehistoric mammals such as Livyatan ...

An incredible fossil depicts an ancient mammal locked in a battle to the death with a dinosaur — a snapshot of the prehistoric past so incredible that researchers carried out additional studies to ...

A new fossil shows a badger-like mammal biting into a dinosaur. The mammal was significantly smaller than the dinosaur and may have hunted in packs or solo. Researchers thought dinosaurs attacked ...

Twelve non-dinosaur rulers show Earth’s old power: armored fish, giant insects, sky titans, sea kings, and saber teeth across ...

NEW YORK — An unusual find in China suggests some early mammals may have hunted dinosaur for dinner. The fossil shows a badgerlike creature chomping down on a small, beaked dinosaur, their skeletons ...

Science nerds the world over were stunned by the revelation of a fossil that shows a “beaked dinosaur” getting chomped by a prehistoric mammal — frozen in time for, like, millions of years? About 125 ...

Conventional wisdom has always held that in prehistoric periods when early mammals lived alongside dinosaurs, that those mammals were generally meek and avoided their reptile overlords for fear of ...

This image provided by the Canadian Museum of Nature shows entangled dinosaur and mammal skeletons. The scale bar equals 10 cm. The unusual fossil from China suggests some early mammals may have ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (AP) — An unusual find in China ...