A university student on a fossil-hunting field trip in Dorset made a stunning discovery: a 145-million-year-old jawbone ...

In a river of northern Bolivia, a silvery predator with “sharp” teeth swam through the murky waters. Its white eyes scanned the aquatic landscape, but it wasn’t the only one looking around ...

The types of teeth are incisors, canines, premolars, and molars, and each serves a different purpose. Learn more about the types of teeth in this article.

Scientists found 3-foot-long fish with small, sharp teeth in murky river and discovered new species: dark long-body snake eel, study said.

A deep-sea fish uses a glowing tendril below its mouth and a row of transparent buzz saw teeth to improve its hunting skills, ocean researchers revealed Wednesday.

Beneath the serene waves of lakes, river, and seas, lurk some fish with terrifyingly sharp teeth. Here are a few different ...

3. Your teeth may have to be filed. Before you have visions of the sharp little sharp teeth that are filed to a point before certain veneers are applied, this is not like that.

Scientists found 1-foot-long eel with “sharp” teeth in coral crevices and discovered a new species: Arabian false brown moray, a study said.

A coating of iron on Komodo dragons' teeth could help keep them sharp for tearing into prey, as well as protect them from digestive acids. Marcos del Mazo / LightRocket via Getty Images Komodo ...

Komodo dragon teeth are ironclad. Literally. The serrated edges and tips of the reptiles’ razor-sharp chompers are lined with a layer of iron, researchers report July 24 in Nature Ecology ...

But scientists have long believed reptile teeth didn’t have special adaptations to keep their weaponry sharp.