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

The typically stoic Luke Grimes is the most hilarious actor in the movie.The 41-year-old Yellowstone star plays Guy, a police ...

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

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

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

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

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 ...

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

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

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

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

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 ...