Researchers have developed formulas that can calculate the body size of a primate based on the root size of its teeth. The formulas could allow researchers to make use of partial and incomplete ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A married couple have found a "massive" fossilized great white tooth on ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Talk ...

CINCINNATI (WKRC) - Two of the Cincinnati Zoo's big cats needed root canals on their big teeth. A veterinary dentist from Columbus performed the procedures on Barafu the cheetah and Zero the Malayan ...

The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong. The teeth on T. rex ...