A rare dinosaur fossil on display at the Museum of the Rockies in Bozeman, Montana, tells a gory story. The skull from a ...

Fossil tooth lodged in skull helps reconstruct final moments of giant dinosaur that became prey - Researchers say finding indicates duckbilled plant-eating dinosaur was killed by a T rex ...

According to the researchers, dark teeth alone are not enough to prove intentional cosmetic treatment. Teeth can turn brown ...

There are plenty of reasons why you're searching “how to whiten your teeth.” Perhaps you noticed your pearly whites are looking a little less pearly these days ...