Footage shows part of a wolf-versus-elk pursuit that also has bison taking cover.

Scientists discovered wolves frequently stole cougar kills, creating what researchers termed an "enemies with benefits" ...

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

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, ...

It didn't come as a surprise to researchers that the re-introduction of wolves in certain parts of the northern U.S. would reduce deer and elk herds, and thus reduce automobile accidents with those ...

The question of how many wolves a region can sustain without tipping the balance against prey herds, livestock operations, ...

At any one time, there are between 150,000 to 200,000 people worldwide playing the online game WolfQuest. That's where you become a wolf in ...

The California Department of Fish and Wildlife is gearing up to capture various wild animals in Northern California and outfit them with GPS collars to better track them, the agency said. Deer, elk ...