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.

Sixteen of the captured elk were outfitted with GPS collars that will be active for one year to help understand their ...

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

The wild horses famous for roaming North Dakota's Theodore Roosevelt National Park should be federally protected, says a ...

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 ...

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

This guide to Jackson Hole, Wyoming will offer travelers lots of options of things to do there in the winter besides skiing.

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