Bison in Yellowstone National Park may seem calm, but approaching them is extremely dangerous. Learn why these massive ...

Wild animals can be unpredictable, especially when feeling threatened. Tourist slammed over reckless selfie with massive wild ...

Yellowstone bison now breed as one interlinked population. Genetic studies show strong gene flow across all bison herds.

As the state of Montana’s lawsuit over Yellowstone National Park’s bison management plan creeps forward in court, 260 animals ...

A group of Yellowstone visitors have been criticized online after taking photos of a bear well within the recommended distance.

A tiny grizzly bear cub was spotted exploring Yellowstone National Park with its mom for the first time, adorable video shows ...

YELLOWSTONE NATIONAL PARK, Wyo. — Snow crunched underfoot as Mark Hebblewhite scanned the ridgelines of Canada’s Banff National Park. It was 1995, and the young biologist, fresh out of undergrad, was ...

A bill that sought to extend Montana's wolf hunting season into late spring when wolves are raising pups went down on its ...

Entombed at the Ashfall Fossil Beds State Historical Park, teeth from the rhino fossils were analyzed by researchers at the ...

Are you looking for the top U.S. national parks, ranked from stunning to must-visit? Read on for a list of the best U.S. national parks you can visit this season.