Two new papers analyze fossils found in Canada and Kenya, respectively—vastly different environments for the preservation of ...

Hippos are some of the earth’s largest land animals. Their name derives from Greek when they were called “river horses,” although “river cows” might have been a better description. These ferocious ...

Just like human babies, puppies are born without teeth and develop a set of “baby” or deciduous teeth. By the time they are ...

Proteins degrade over time, making their history hard to study. But new research has uncovered ancient proteins in the enamel ...

When you think of scary animals, what comes to mind? Maybe lions, hippos or snakes? But you might be surprised to know that ...

Here’s a look at 7 animals known for having the sharpest teeth in the natural world, with fascinating details on what makes ...

Quick facts about whales Where they live: In oceans around the world What they eat: A huge range of animals, from tiny plankton to giant squid How big they are: Between 7 and 100 feet (2 to 30 ...

This unheralded creature boasts a staggering 25,000 teeth. How is it possible for such a small animal to possess so many? And what role do these teeth play in its survival?

From their forever-growing front teeth to their inflatable cheeks, there are many funny hamster facts that you (or the kids) may not have come across before. But if you’ve got some animal lovers ...

Archaeologists put seven methods to the test.Stone Age humans extracted animal teeth with flames, blades, and fleshy stews ...

Sensory features on the armored exoskeletons of ancient fish may be the reason why humans have teeth that are sensitive to cold and other extremes.

Teeth also evolved into tusks and fangs that expanded the animal behavioral repertoire to include digging, scraping, fighting, building dams and more.