For the past two decades, scientists have been manipulating genes to grow human cells where you wouldn’t quite expect them.

Rabbits' teeth grow continuously, and bunnies wear them down by munching fiber-rich foods. Scientists suggest rabbits recycle ...

But behind the fearsome appearance of saber teeth lies a conundrum. "They're probably really fragile," says paleontologist Emily Rayfield, of the University of Bristol. "In some animals these ...

Dogs have fascinating teeth that play a crucial role in their daily lives, from eating to defending themselves and even communicating with other animals ... while wear and tear on adult teeth ...

Long ago, before celebrity veneers, bleach kits, or even dental floss, “animals diverged ... evolved teeth and tusks that grow continuously, a defensive strategy against wear and tear, humans ...

It is not normal for older dogs to have rotten teeth, although unfortunately, it is common. As dogs age, due to general wear and tear on their teeth, they are more likely to experience dental ...