In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

Management of gray wolves (Canis lupus) has a reputation for being one of the most contentious conservation issues in the United States. The topic often conjures stark images of supporters versus ...

Congress is considering three separate bills that would delist grizzly bears and gray wolves from the Endangered Species Act. Two are stand-alone pieces of legislation to delist the predators and ...

After being wiped out in California for nearly a century, the gray wolf has been making a comeback in the state, in a change that's been celebrated by conservationists and wildlife lovers. But as ...

Add Yahoo as a preferred source to see more of our stories on Google. This Nov. 7, 2017, file photo, provided by the National Park Service shows a gray wolf in Yellowstone National Park, Wyo. | Jacob ...

In movies and literature, a wolf’s haunting howl can signify danger or untamed nature. In real life, researchers in Yellowstone National Park are analyzing those howls with cutting-edge AI technology ...

Wildlife crews have stopped actively searching for two juvenile gray wolves in Northern California's Sierra Valley.

WASHINGTON — The U.S. House passed a bill last week removing federal protections for gray wolves in the lower 48 states. It directs the Department of the Interior to reinstate a 2020 rule that removed ...