The better you get to know an animal, the more paradoxically mysterious it becomes. No matter how much a pet seems like a part of the family, like some weird little brother in a fur coat, it has an ...

NEEDMORE, Pa. – Hickory Lane Farms is a small city of pigs. About 3,400 grunting animals live in two giant barns, separated into 14-foot-square pens, 25 animals in each. An electric timer delivers ...

At the base of our brain, where the back of our neck meets our head, may lurk the voice of a 400 million-year-old fish. Chirps, croaks, growls – even the dulcet tones of the human voice – might have a ...