Similar to all U.S. national parks, Yellowstone has numerous signs warning visitors to not approach the wildlife. For species ...

Yellowstone National Park is one of the most popular and fascinating parks in the U.S. Naturally, there are quite a few ...

The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects ...

Yellowstone National Park is used to rule-breakers, but usually it's the tourists pushing their luck, not one of their own employees.

Another wolf from Yellowstone National Park's famous Junction Butte Pack killed in Montana is being investigated as a ...

Every year, thousands of people flock to Yellowstone National Park armed with binoculars and cameras. They come for the geysers and thermal features, the soaring landscapes rimmed by tall peaks, ...

"Don't encourage this bad behavior." Photo of tourist's dangerous behavior at US national park sparks backlash: 'Don't be ...

If a wolf pack can bring down a bison, or locate a dead or dying bison, the carcass can sustain the pack for days.

No one in their right mind would try to break up a fight between two moose. In case you were wondering, moose often battle with one another over territory or a potential mate, and though many would ...

One of the most biodiverse wetland habitats in the West, Red Rock Lakes Wilderness is a testament to the benefits of ...

A pine marten that was teased by a squirrel into casing it in laps around a tree trunk shouldn’t feel bad. Squirrels evade ...

A film about the cougars that live in Yellowstone National Park and the biologists who study them is set to be screened at the Center for the Arts tonight.