WASHINGTON (Reuters) - The megalodon, a huge shark that was the scourge of the ancient oceans and is a star in modern movie theaters, is named for its "large tooth" - and for good reason. Its serrated ...

A married couple have found a "massive" fossilized great white tooth on a North Carolina beach that came from a huge shark. Experts told Newsweek that the white shark in question could have measured ...

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 ...

With fewer than 500 individuals left in the wild today, plus a few hundred more in zoos, the Sumatran tiger is a rare and critically endangered species. Dr. Alice Sievers represents a rare group too.

Discovery that your child has chipped their big tooth can be a traumatic event. While coming to terms with the fact that their beautiful smile could possibly be ruined forever unless you spend a small ...