Wolves were eradicated and cougars driven to low numbers from Yellowstone National Park by the 1920s. Browsing by elk soon ...

Through natural migration from Canada and reintroduction to Yellowstone National Park and central Idaho ... of streamside vegetation — which thrives in the absence of browsing elk that must move more ...

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 ...

To honor the 30th anniversary of Yellowstone’s wolf reintroduction, the 4th annual Yellowstone Summit will offer an exclusive lineup of experts, researchers and storytellers. The online ...

The "Field of Dreams" and "Dances with Wolves" legend brings this idea to life in "Yellowstone to Yosemite," a new three-part Fox Nation series that explores how a seemingly unrelated string of ...

A spectacular highlight for snow-coach passengers in Yellowstone National Park is to share the road with giant bison. The accompanying footage, credited to David Wall via Viral Hog, shows more ...

Sixteen of the captured elk were outfitted with GPS collars that will be active for one year to help understand their seasonal ranges, migration routes and mixing with other elk.

Last week we featured footage showing bison stampeding toward a snow coach in Yellowstone National Park, as tourists watched with heightened concern. To their relief, the bison navigated around ...