A new, rapidly growing hole filled with icy blue water has appeared in Yellowstone National Park's Norris Geyser Basin, ...

There's been a lot of people wondering about a possible volcanic eruption at Yellowstone National Park. Let's talk about it.

A black bear was killed at Yellowstone National Park after crushing an unoccupied tent and outsmarting a food storage pole ...

Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young ...

You don't even have to go far outside Yellowstone or to any obscure state parks in Wyoming. The biggest state covered by Yellowstone is also home to America's first-ever national forest, which rivals ...

Videos showing animals leaving the park are circulating on social media. People think they have sensed a looming disaster. Is ...

Yellowstone National Park is celebrating an ecological milestone along with a key anniversary this summer, Oregon State ...

The United States 150 year old park, which also holds the title of being the world's first national park, Yellowstone ...

A small airplane went down during a late-night flight last week near Yellowstone National Park, claiming the lives of three ...

Yellowstone National Park is celebrating an ecological milestone along with a key anniversary this summer, Oregon State ...

The child was bitten by the mountain lion while walking with their family on a "popular trail," park officials said.