The orphaned black bear is being cared for by San Diego Humane Society staff dressed in costume so he does not get attached to humans.

Snails, often underestimated, possess a remarkable 25,000 teeth, surpassing all other creatures. These microscopic teeth, ...

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 ...

Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives important feedback about temperature, pressure—and yes, pain—as we bite and chew ...

“A freshwater spring fed from deep underground,” says Attenborough. “At last, a drink, and a refreshing dip. The oases are a lifeline for the bears, particularly for those that are extremely precious: ...

Sometime during the early to late Eocene, there was a massive predator unlike anything on Earth today. If you were roaming ...

Clues are emerging about the ghostly clan that settled eastern Asia and left a genetic legacy in people today.

Bears one of the largest land predators alive right now, but today's bears are tiny compared to a massive prehistoric bear ...

I could feel the humid mist on my face as I inhaled the fresh scent of Sichuan mountain air. But it was the loud panting ...