"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 ...

More than 66 million years ago, Mexico was home to numerous species of dinosaurs, some of them as terrifying as T. rex.

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 ...

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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 ...

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 ...

Great Britain holds a surprisingly rich fossil record that documents life long before humans appeared. From early marine reptiles to dinosaurs and ancient mammals, these remains offer glimpses into ...

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 ...

When scientists found these dinosaur eggs, they didn't only uncover a shiny surprise, but they also stumbled upon all-new ...

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 ...

This is an archived article and the information in the article may be outdated.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 ...