While humans only have 2 sets of teeth in a lifetime, some members of the animal kingdom have a rare tooth-regenerating ability. Certain species can replace broken or lost teeth multiple times ...

Kangaroos thrive on tough grass using thick enamel instead of complex teeth, revealing an unexpected path in evolution.

For an animal that already looks assembled from spare parts, the platypus has added another twist to its history. Fossils ...

You probably don’t think much about teeth until a dentist brings them up. But across the animal kingdom, tooth counts can get wild fast. Some sharks go through thousands in a lifetime. Slugs carry ...

When we think about wildlife, we usually notice a bird’s bright colours, a predator’s speed, or a mammal’s size. But there’s one feature we often overlook– teeth. For many animals, teeth aren’t just ...

Add Yahoo as a preferred source to see more of our stories on Google. Animals have body parts that range from enormous organs to microscopic structures, showing how evolution shapes anatomy for ...

The ragged tooth shark is one of the scariest-looking species out there, but they are surprisingly docile. Read here about ...

Losing your baby teeth is a strange experience. The teeth gradually loosen until they’re replaced by thicker, more durable and permanent ones. But humans aren’t the only animals capable of shedding ...

New research reveals T. rex likely had lips, a departure from popular images of exposed teeth. This finding, based on tooth ...

Well-preserved fossils of the oldest known species allowed researchers to find new information about the ancient animal.