Multiple cows were killed and others roamed free after a livestock trailer caught fire on a Georgia highway.

In Oregon, wolverines are typically located in the Wallowa Mountains in the northeast of the state. But the animal was seen near Portland this week.

Scientists are trying to understand PTSD and other human disorders by studying emotion-related brain circuits in animals, which research suggests may have a lot in common with the human brain.

Biologists have studied animal intelligence for years, but primatologist Frans de Waal believes we underestimate exactly how smart they are. He believes...