The animal kingdom stretches anatomy far beyond human expectations. Some creatures carry organs that rival furniture in size, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The sensitive ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...

You probably don’t think much about teeth until a dentist brings them up. But across the animal kingdom, tooth counts can get ...

Teeth first evolved as sensory organs, not for chewing, according to a new analysis of animal fossils. The first tooth-like structures seem to have been sensitive nodules on the skin of early fish ...

In archaeological sites across southern France and Spain, researchers have analyzed thousands of animal teeth dating back 8,000 years. These remains, especially molars from sheep and goats, show the ...

Proteins degrade over time, making their history hard to study. But new research has uncovered ancient proteins in the enamel of the teeth of 18-million-year-old fossilized mammals from Kenya's Rift ...

Show the zoologist Bill Schutt what your mouth looks like, and he’ll tell you who you are. By Sam Kean Sam Kean is the author of six books on science history, including “The Icepick Surgeon” and “The ...

An artist’s view of what the area of the Zvejnieki cemetery (northern Latvia) might have looked like when animal parts were processed in the cooking pits. The research centers on the Zvejnieki ...