This lopsided dentition, combined with the unusual ability to move the sides of their jaws independently, enables them to ...

Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.

A new species of mollusc has been discovered at the bottom of a river in Thailand after extreme drought. The creature, a large mussel — only the third known species in its genus — is considered ...

SANIBEL, Fla. — No, birds don’t have teeth, but when they hatch they do have an “egg tooth.” A great horned owlet that fell from its nest was recently admitted to the Clinic for the Rehabilitation of ...

Have you ever wondered if slugs can smile — or if they even have teeth? Their smooth bodies and simple appearance might ...

Your teeth wouldn’t do much against a woolly mammoth. But a saber-toothed cats’ teeth — those were perfectly evolved to take down such giant prey. All animals’ teeth evolved to help them survive.