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

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

A dog refused to become prey to a wolf pack in Abruzzo, Italy. Video shows three wolves chasing down a dog and biting it twice. The dog escapes during the chase by jumping through a hole in a fence.

These rare kills in Washington State have biologists searching for answers. “Everyone always assumes wolves have the upper ...