Bison jams are not uncommon in Yellowstone given their population at the park has ranged from 3,500 to nearly 6,000, the National Park Service says.

Roughly 5 percent of National Park Service workers have been caught up in the ... The assessment was a first of its kind focusing on climate change impacts on the Greater Yellowstone Ecosystem. Dr.

Locally produced steel containers keep bears out of the trash at the northern entrance to Yellowstone National Park in ...

Yellowstone National Park's bison are mostly contained to the park, but West Yellowstone, Montana, is one place where they ...

New research from the University of Minnesota upends long-held understanding about how wolves, bears and cougars—three of ...

Cuts from the federal government endanger more than a half century of study and work to rehabilitate grizzly bears in ...

Yellowstone volcanism has produced some of the youngest rocks in North America. This same region also features some of the ...

There's a new steam column in Yellowstone National Park, and it's located between Mammoth Hot Springs and Norris Junction.

The Blacktail Pond area in Yellowstone National Park can be a death trap for bison if they fall through ice or get trapped in muddy water and drown.

Mike Garrity writes, Since Montana alone has more than 2 million cows – compared to less than 1,000 grizzlies in the entire ...