Montana Wild says bison heart provided four meals for the hunter who harvested the animal outside Yellowstone National Park.

An iconic apex predator appeared through thick fog like an apparition and cautiously watched a photographer in Yellowstone ...

A pair of apex predators prowl across Yellowstone National Park’s ridgeline in an extremely rare sighting captured in a ...

A pack of wolves took down a bison in Yellowstone National Park and attracted a crowd of people — that the rest of the bison herd then charged into.

Footage shows the black wolf with a mystical quality – as other wolves remain mostly hidden – amid steam at a Yellowstone thermal area.

Park City Institute will present "National Geographic Live! Wild Wolves of Yellowstone" on Friday with Explorer Doug Smith.

Creel and his colleagues have been researching wild dogs and lions in two Zambian national parks for more than a decade.

The vast catchment area that is Yellowstone National Park has remained ... km animal sanctuary in 1872. Now, the park is the world’s greatest wildlife comeback story, and a genuine panorama ...

During one trip to Yellowstone National Park, we were on a long, desolate drive to the north, leaving the park.

It spans from the earliest days of grizzly bear biology in the United States (a field pioneered by the famous Craighead ...