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

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

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

A little over a month after a wolf living among Yellowstone's most famous wolf pack was illegally killed, Montana wildlife ...

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

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

Bison, elk and other animals die in droves in Yellowstone National Park’s remote “animal boneyard.” Their carcasses provide a ...

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

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

Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

Rangers at Yellowstone National Park are reportedly trying to solve the mystery of what happened to a well-known female wolf ...

The three wolves Utah killed were not symbols or statistics,” writes Eric Clewis with Defenders of Wildlife in an op-ed.