California wildlife officials confirmed three new wolf packs in Northern California, bringing the state total to 10.

State wildlife officials now say a family of endangered Mexican gray wolves removed from southeastern Arizona on Tuesday was in such poor condition that one pup had to be euthanized.

Colorado Parks and Wildlife announced the agency has "lethally removed" a collared gray wolf from the Copper Creek pack in Pitkin County after multiple depredation incidents.

Humans and wolves co-evolved, influencing each other’s development, a relationship that led to the domesticated dog. But what ...