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

Colorado voters narrowly decided to reintroduce gray wolves to the western part of the state, sparking tensions with ranchers ...

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

While Utah lawmakers are not thrilled about it, Colorado and Utah have an agreement in place to help keep reintroduced ...

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

But the huge fire of 1988 ultimately produced few large trees. The elimination of Yellowstone's wolves allowed the elk to browse aspens unchecked. Finally, Ripple and Larson decided to look within ...

In 1995 and 1996, some 70 years after Yellowstone’s last wolf howled its last howl, 31 wolves from western Canada were released from acclimation pens across the park. They took hold of the ...

Panelists from different perspectives had a lively and candid discussion on a variety of topics at a recent Colorado Public ...

It's white and it's small.'' Grizzly bears and wolves are usually the star attractions for wildlife watchers in Yellowstone but this spring, a tiny and exceedingly rare white buffalo calf has ...

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