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

A guide in Yellowstone National Park on Monday shared stunning footage showing a black wolf partially obscured by mist as ...

In Yellowstone’s winter wilderness, Stan Tekiela tracks elusive wolves, navigating deep snow and freezing temperatures for a ...

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

The dark fur is rare in Europe due to a reduced genetic diversity, but at least half of the wolf population has black fur in ...

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

A new study has unveiled the far-reaching ecological impact of wolves and other large carnivores in Yellowstone National Park ...

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

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.

A guide in Yellowstone National Park on Monday shared stunning footage showing a black wolf partially obscured by mist as other wolves remained mostly hidden in the background. “This was the ...