Footage reveals vast size difference between Yellowstone's wolves and coyotes.

If a wolf pack can bring down a bison, or locate a dead or dying bison, the carcass can sustain the pack for days.

Though it's winter in Yellowstone National Park, the fight for survival is still running as hot as ever. There’s likely not an animal that’s better at the long game than the wolf, especially when it ...

Mature elk can run 40 mph when they become so inspired, and recent footage from Yellowstone National Park shows that young elk are likewise fleet of foot when their lives are at stake. The ...

A group of tourists in Yellowstone National Park witnessed some canine-induced chaos Friday when a German shepherd jumped out of a moving car to chase down a gray wolf. The incident concluded as ...

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, ...