Paleontologists in China have described a newly identified dinosaur so unusual that researchers called ...

A new analysis of tooth enamel offers a direct estimate and fresh insight into how the dinosaur survived across North America ...

Using chemical traces preserved in T. rex teeth from Montana, researchers calculated a body temperature of about 96.8 degrees ...

Scientists describe a new dinosaur species from early Cretaceous China, the largest of its kind found in the region so far.

About 125 million years ago, in what is now northeastern China, a young dinosaur died before it made it into adulthood. It ...

Artist's reconstruction of adult Maiasaura and young. Illustration by Brian Regal. Teeth tell the truth. It’s one of the few things paleontologists can more or less rely on: rock-hard, slow-decay, ...

Researchers estimated that the newly discovered dinosaur was about 11.8 feet long.

Learn how a newly discovered 95-million-year-old Spinosaurus mirabilis used interlocking teeth to catch fish in an ancient inland river system. A curved slab of bone pulled from a remote fossil site ...

A Coryphodon sp. tooth, an extinct animal from the Pantodonta group. This tooth was not used in the study. (Image Credit: Ryan M. Bolton/Shutterstock) The Cretaceous–Paleogene extinction event, which ...

Researchers analyzed 200 fossil teeth from ancient mammals in China, revealing how they adapted and diversified after the mass extinction Shutterstock Researchers analyzed 200 fossil teeth from 37 ...