Over the last month, two of Colorado’s latest gray wolf transplants were killed after crossing the border into Wyoming.

They’re dire wolf pups, back from extinction after some 12,000 years. Dire wolves thrived during the Pleistocene Epoch, when ...

Gray wolves are becoming more established in California, prompting the state to move to phase two of its gray wolf conservation plan. The California Department of Fish and Wildlife will now consider ...

Other bills up for markup deal with public lands and the Interior Department. The House Natural Resources Committee will mark up two hot-button bills this week: One to remove Endangered Species ...

Gray wolves are becoming more established in California, prompting the state to move to phase two of its gray wolf conservation plan. The California Department of Fish and Wildlife will now ...

Dire wolves were much larger than the non-extinct gray wolf; they weighed anywhere from 130 to 150 pounds, stood about three feet at the shoulder and were about six feet long. Who are Romulus and ...