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

Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal ...

Her presumed killing has also highlighted a broader issue. Community mourns loss of national park icon following disturbing ...

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

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

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

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

A prominent wolf that lived among Yellowstone’s most famous wolf pack is believed to have been illegally shot and killed.

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, ...

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

There's a new film playing at the IMAX theatre at Clark Planetarium -- and it's all about "finding your wild".