Yellowstone is grieving after a poacher is believed to have shot and killed a prominent wolf from the park's most famous pack ...

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

A gray wolf was illegally shot and killed just north of Yellowstone National Park last month. According to wolf advocates, ...

Wolf 1478F could have become the Junction Butte pack alpha, experts say.

In Yellowstone, cougars coexist with wolves by changing what they eat and where they hunt, minimizing conflict driven largely by prey theft.

According to a statement from Montana Fish, Wildlife and Parks (FWP), officials started investigating after they received a ...

Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal their prey, cougars' shift from elk- to deer-heavy diets, paired with a ...

Investigation began after the wolf's research collar was found in a tree.

A celebrity wolf was illegally killed near Yellowstone National Park, with a reward for tips climbing past $31,000.

Bison, elk and other animals die in droves in Yellowstone's remote “animal boneyard.” Only a few know how to get there, ...

The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects ...

Tourists visiting Yellowstone National Park on October 6 were left stunned after witnessing a man walk straight toward a wild wolf pack in what authorities are calling a highly dangerous and reckless ...