A hot springs walk in Yellowstone National Park has ended with jail time.

Researchers are using a technique to map out Yellowstone’s subsurface. The method is geophysics, a subfield of geology that ...

Officials call the development a sign of successful cross-state conservation efforts. Researchers say cub survival remains ...

Once more common across much of the North American Rockies, lynx are now elusive and rare. A Wyoming wildlife researcher says ...

Crews with Yellowstone National Park plan to re-open some main entrances and roads to the public on April 17, weather ...

A convoy of bulldozers, snowplows, and their chainsaw-wielding operators reached Sylvan Lake along Yellowstone National ...

A grizzly bear that was moved to a new home near Yellowstone National Park two years ago has emerged from her winter den with ...

The grizzly was previously relocated from Montana to Wyoming to improve genetic connectivity. Now, she has reproduced.

Montana and Wyoming-based bear biologists celebrated as a female grizzly bear, who had been transferred to the Yellowstone ...

Yellowstone National Park isn't afraid to lay down the law... maybe some other cities in America could take notes? The ...

The documented reproduction is a step toward the U.S. Fish and Wildlife Service and Northern Rockies states addressing legal ...