Yellowstone National Park is one of the most famous parks in the United States, but it isn’t usually known for its reptiles.

This year, Yellowstone will be implementing its winterizing procedures on October 31st, so get in your fall visit while you ...

Grizzly Bear 399 was killed on Tuesday in a car collision south of Jackson, Wyo., the National Park Service said. She was ...

She was a Yellowstone icon with more than 20 cubs and grand cubs, and the grizzly bear population will surely suffer from her ...

A beloved grizzly bear has been struck and killed by a vehicle in Grand Teton National Park in Wyoming, officials said.

Last day for visitors to enjoy most of Yellowstone National Park will be Oct. 31Most entrances and roads will be closed Nov.

Grand Prismatic Spring, the third largest hot spring in the world and one of Yellowstone's top attractions, looked ...

"I just don't get why people disrespect these parks." Yellowstone park ranger steps in after tourist damages iconic feature: ...

Sixteen individuals who have dedicated their lives to the conservation and protection of Yellowstone National Park were ...

The West, South and East entrances and nearly all roads will be closed to regular vehicle traffic Nov. 1. The park annually ...

Larry Taylor is a biology professor at Helena College and when he is not teaching he is out in the wilderness photographing ...

The park will use “all available tools to decrease” the bison population when the herd exceeds 5,200 animals. The goal is a herd of 3,500 to 6,000 animals.