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

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

Scholars and schoolchildren alike have generally classified animals by the foods they eat: carnivores eat meat; browsers ...

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

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

Christmas came early for geologists at Yellowstone National Park this April when a regularly scheduled survey resulted in ...

The bear’s escalating behavior — including property damage and obtaining a significant food reward — posed a clear threat to visitor safety and warranted removal, Yellowstone National Park officials s ...

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

The Park Service announced the incidents, which began more than a month earlier at a campsite along the Blacktail Deer Creek ...

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 ...

The unsettling 13-foot gap is located at Norris Geyser Basin - one of the hottest, oldest and most dynamic of Yellowstone's ...