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

However, throughout much of the video, the bison did an incredible job of defending their herd from the wolfpack. It is ...

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

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.

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

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

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Cathy Whitlock, Regents Professor ...

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

Two rare black wolves, likely siblings, were spotted on camera crossing a stream in a Polish forest, a conservation organization said Sunday.

Hollywood legend Kevin Costner returns to Fox Nation for a new limited series, "Yellowstone to Yosemite," feeding off the success of its preceding series "Yellowstone: One-Fifty." ...