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

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

When temperatures dip below zero in Yellowstone National Park, tourists are scare but the park’s 4,500 bison carry on out of ...

A huge herd of bison trekked across a snowy valley in Yellowstone National Park in a stunning video. Yellowstone Forever, a ...

The CallAir snowplane, built in Afton, was a revolutionary vehicle. It made it possible to deliver mail, supplies and ...

Yellowstone's magma system shows new activity, with the northeast sector possibly hosting future volcanic activity.

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

The actor hosts a three-part documentary on FOX Nation about Yosemite National Park and a legendary camping trip there in 1903, when naturalist John Muir lobbied the president to better protect the ...

MISSOULA, Mont. — A 3.9 magnitude earthquake was recorded near Norris Geyser Basin in Yellowstone National Park on Tuesday ...

Tracking the northern pygmy owl in Yellowstone – small, fierce, and fascinating. Discover this tiny predator’s hunting skills ...

Opinion: Park's new bison management plan is based on outdated and unscientific assumptions that result in thousands of wild ...

Glacier National Park and Yellowstone National Park both welcomed the second highest number of visitors on record last year, according to visitation data released by the National Park Service late ...