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 ...