New fossil research shows that teeth originally evolved as sensory tissue embedded in the armored exoskeletons of ancient ...

Pigs have long been known, sometimes celebrated, as among the most intelligent of farm animals. Now, a new Dartmouth-led ...

Giraffes are known for their long, impressive tongues, but they have a cool set of teeth in their mouths as well. Even though ...

Dolphins live in all the world’s oceans and even some of the largest freshwater rivers. Like whales, they’re considered ...

From ever-growing incisors to toxic droppings and tail language, discover lesser-known facts that make squirrels fascinating.