Black wolves, a color variant of gray wolves, roam North American forests, mountains, and tundra in packs. Their dark fur, ...

As one of the most widely distributed land animals, gray wolves are very adaptable and can flourish in a wide variety of habitats. Gray wolves are very social animals and live in packs, but pack sizes ...

By Andrew Hay May 1 (Reuters) - For the first time in decades, a radio-collared endangered Mexican wolf crossed from the U.S.

Gray wolves now living in the Chernobyl exclusion zone also show a new genetic resistance to cancer, researchers have found.

An endangered Mexican gray wolf named Taylor has repeatedly traveled north of a designated recovery area in New Mexico. Some advocates say the wolves' movements indicate a need to expand their ...

On a remote Alaskan island, gray wolves are rewriting the rulebook by hunting sea otters — a behavior few scientists ever expected to see. Researchers are now uncovering how these coastal wolves ...