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.

Doing a Montana and Yellowstone road trip is one of the best USA vacations you can plan. Perfect with kids or adults, this is ...

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 ...

America’s First National Park Yellowstone National Park holds the title of being America's first national park, and it was ...

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