Wildlife officials are investigating the suspicious death of a gray wolf near Yellowstone National Park. The killing is ...

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.

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

Another wolf from Yellowstone National Park's famous Junction Butte Pack killed in Montana is being investigated as a ...

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

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

A coyote in Yellowstone was lucky to escape after it got a little too close to a pack of wolves feasting on a bison carcass, ...

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 ...