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

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

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

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 ...

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

"We go to great lengths to protect bears and prevent them from gaining access to human food in all areas of the park,” said Kerry Gunther, Yellowstone bear management biologist. "But occasionally, a ...

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

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

A new light blue hot spring has formed in Yellowstone’s Norris Geyser Basin after months of small hydrothermal explosions.

Yellowstone National Park staff lethally removed an adult female black bear following a series of concerning incidents at a backcountry campsite located in the Blacktail Deer Creek drainage in the ...

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

However, this was not a video of Yellowstone mountain lions migrating south to Utah. There was no evidence that the park's ...