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 ...

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

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

Over 20 people have died after they entered or accidentally fell into the hot springs at Yellowstone National Park. There are ...

A viral video showing a group of bears crossing a road sparked rumors that bears were leaving Yellowstone National Park. The ...

"All I want to be able to do is say as a dad, I did everything I could to give the best chance of finding him," wrote Brian King-Henke, vowing to bring Austin home.

Outside of Yellowstone National Park is a lesser-visited area that offers visitors many opportunities for outdoor adventures ...

Driving the Grand Loop Road in Yellowstone National Park is the best way to see everything that this beautiful place has to ...

Yellowstone National Park geologists identified a new thermal feature in Norris Geyser Basin. It may have coincided with a ...

View looking northwest at a new thermal pool in the Porcelain Basin area of Norris Geyser Basin, Yellowstone National Park, that probably formed in a series of mildly explosive events between late ...

A wildfire destroyed a historic lodge at the Grand Canyon's North Rim and some political leaders want to know if the fire was ...