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

New research has demonstrated the powerful impacts the reintroduction of predators can have on an ecosystem. The presence of ...

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

In Yellowstone National Park, wolves and other large carnivores are slowly but steadily bringing back balance to the ecosystem, particularly in herbivores and plants.

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.

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

Yellowstone is home to nearly 5,000 bison, which must contend with wolves in the winter, and wolves and grizzly bears during ...

In one clip, a black wolf and a gray wolf slowly crossed a stream in the forest, the water nearly up to their bellies, before ...

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