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

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

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

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

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

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

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.

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 reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, showcasing the cascading effects predators can have on ecosystems.

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

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 ...