Yellowstone, the oldest and most famous national park in the United States, once again offered one of those breathtaking ...

The woman obviously violated Yellowstone's 25-yard rule pertaining to bison, but the rule is sometimes hard to follow. A rare ...

The incident unfolded near the Yellowstone River on Grand Loop Road when the tourist "decided to walk down the hill" near the ...

One of the cardinal rules when visiting Yellowstone National Park is to exercise caution around the wild animals, ...

The Northern Arapaho Tribe has joined the Eastern Shoshone in reclassifying bison as wildlife. Next comes a move to amend the ...

Tourists who descend upon Yellowstone National Park are greeted with picturesque views of mountain ranges, pristine lakes and ...

Scientists say wolves helped save aspen trees in Yellowstone by eating the elk that were gobbling aspen saplings. But now ...

Tahnee Szymanski, state veterinarian, said although bulls pose a “very low risk” for spreading disease to livestock, the animal was killed because single bull bison are difficult to haze.

A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death as tourists looked on during the park’s busiest season.

Scientists documented the first new generation of aspen trees in Yellowstone this summer, 30 years after wolves were ...

Bison have injured more people in Yellowstone than any other wild animal. They can run up to 35 mph (56 kph), faster than the men’s world record in the 100-meter dash.