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

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

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

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.

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 ...

A wolf collared by scientists for biological information was illegally killed near Gardiner in December. Montana Fish, Wildlife & Parks officials received a mortality signal from a wolf collar in the ...

A new study shows how wolves steal kills from cougars in Yellowstone, driving an uneven feeding rivalry and changing cougar ...

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, ...