Researchers are urging Yellowstone officials to invest in greater protection after the findings of a new report ...

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

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

New research shows that dead trees in Yellowstone National Park may pose a greater fire danger than previously suspected.

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 ...

Glacier National Park and Yellowstone National Park both welcomed the second highest number of visitors on record last year, ...

Footage shows the normally elusive mountain lions traversing a snow-covered ridge as if out for a Sunday stroll.

Amazing! When I first started visiting the park I was told that they were there but (were) like ghosts because even Rangers ...

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, ...

Wyoming lawmakers have voted down a resolution demanding all federal land in the Equality State except for Yellowstone ...

Glacier National Park and Yellowstone National Park both welcomed the second-highest number of visitors on record last year.