The iconic landscape of Yellowstone National Park has witnessed an increase in forest cover, thanks to this wild animal.

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

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 ...

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 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.

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 ...

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, ...

A conservation charity was originally planning on studying beavers when they discovered the footage of the rare animals ...

As people gathered on a road in Yellowstone to watch a pack of wolves devour a bison, the buffalo’s herd charged into them ...

A herd of bison (not the one pictured here) charged into a crowd of people in Yellowstone National Park. Photo by Tevin Trinh via Unsplash A pack of wolves took down a bison in Yellowstone ...