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

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

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

Recent social media posts claiming animals are fleeing Yellowstone National Park have caused widespread concern for fear of a ...

The dominant rock type in the Yellowstone region is rhyolite, and that is very rich in silica. As hot water circulates underground, it can dissolve that silica and bring it to the surface, where it is ...

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

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

A 13-foot-wide hot pool formed over the winter in one of Yellowstone’s most active areas, and it could offer new insights ...

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

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

Actor, writer and director Taylor Sheridan is one of the most successful people in the TV industry, except by one measurement ...