Blame it on a prehistoric armored fish. While the outer layer of our teeth is coated in hard enamel, it’s the inner layer, ...

A recent diving trip off the coast of Florida resulted in an ancient discovery. Kristina Scott found a 6-inch megalodon shark ...

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

Teeth are good for chewing and biting, but they are also sensitive – and that may have been their original function hundreds ...