A collared, endangered gray wolf from the northern Rocky Mountains may be roaming in national forest land near Grand Canyon National Park, authorities said Thursday. Environmentalists say it would ...

A federal wildlife agency “mistakenly” killed an endangered and possibly pregnant breeding-age Mexican gray wolf in Greenlee County, according to a memo from the U.S. Fish and Wildlife Service.

Wildlife officials “mistakenly” killed a pregnant Mexican gray wolf in Arizona as it was working to remove a wolf that may have been harming livestock. The environmental group Sierra Club said ...

A Well-Known Wolf Pack with a History of Conflict. In many ways, the Copper Creek Pack has embodied how complicated and contentious Colorado’s wolf restoration process has been. The pack was formed by ...

Dire wolves, made famous by “Game of Thrones,” went extinct some 13,000 years ago. Now, researchers have bred gray-wolf pups that carry genes of their ancient cousins.

Scientists working for Dallas-based biotech company Colossal Biosciences claim to have brought the dire wolf, which went extinct about 12,500 years ago, back to life.

Colorado's gray wolf reintroduction program began in December 2023, when CPW released 10 of the animals. Fifteen wolves were brought to Colorado from Canada in January 2025 during the second round ...

Colorado's gray wolf reintroduction program began in December 2023, when CPW released 10 of the animals. Fifteen wolves were brought to Colorado from Canada in January 2025 during the second round ...