Yellowstone, a popular tourist destination and namesake of an equally popular TV show, was the first-ever national park in ...

The National Parks Service has confirmed that wildlife is not leaving Yellowstone National Park in "large numbers" after an ...

Yellowstone National Park is huge: 2,221,766 acres or 3,437.5 square miles, over twice the size of the state of Rhode Island.

A proposal by a Wyoming Republican representative to remove Endangered Species Act protections from Yellowstone grizzly bears ...

Geologists working in Yellowstone National Park discovered a new pool of strange light blue water this spring. Using ...

Kayce Dutton's new Yellowstone spin-off is underway, but the actor behind the character teased a substantial location change.

Each color relates to a range of numbers associated with air quality on a scale designated by the Environmental Protection ...