Yellowstone National Park closed the Madison River, the Firehole River and the Gibbon River downstream of Norris Campground, ...

A black bear with a taste for human food that was involved in "a series of concerning incidents" in Yellowstone National Park ...

Yellowstone officials euthanized a food-conditioned black bear after it damaged property and consumed human food, raising ...

More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park's basins.

The blue water spring is about 13 feet in diameter and 1 foot below the rim, USGS said. The water in the pool was measured at ...

Yellowstone National Park officials have euthanized an adult female black bear following a series of troubling incidents at a ...

A video of bears in a South Dakota-based wildlife park was misleadingly shared as a video of bears leaving Yellowstone in ...

Last April, geologists conducting routine maintenance at temperature logging stations in Yellowstone National Park’s Norris ...

The family of a missing Winona man last seen hiking in Yellowstone National Park says they will resume their search for him ...

A black bear in a whitebark pine in Yellowstone National Park | Yellowstone National Park MAMMOTH HOT SPRINGS, Wyo. –- A ...

"The discovery emphasizes the dynamic nature of Yellowstone's thermal activity," Yellowstone Volcano Observatory's Mike ...

In a surprising discovery last April, geologists working at Yellowstone National Park’s Norris Geyser Basin uncovered a ...