Giraffes are known for their long, impressive tongues, but they have a cool set of teeth in their mouths as well. Even though giraffes are huge — they are the tallest land animals, after all — they ...

A peculiar dental condition known as shark teeth is gaining increased attention from parents and pediatric health care professionals across the United States as more families encounter the startling ...

Add Yahoo as a preferred source to see more of our stories on Google. The newly discovered species of priapulid, Kraytdraco spectatus, got its name from a Star Wars monster. Illustration by Rhydian ...

Human and animal fossils are a window into the past that give us a connection between the present and the past. Scientists dug up a specimen that is so old and unique that it nudges back the origins ...

The remarkably stiff and durable teeth of a common mollusk species could offer invaluable insights for future technological advances, scientists say. Reading time 2 minutes At first glance, chitons ...

Researchers studied the male spotted ratfish's tooth-covered forehead appendage, which flares out to ward off rivals and grip onto females. Reading time 3 minutes Spotted ratfish are scaleless, rabbit ...