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

Thermal water in Yellowstone also contains an abundance of arsenic, mercury, and fluoride at levels that are unsafe for human consumption. These pools may also host microorganisms and pathogens such ...

"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.

Montana Fish, Wildlife and Parks officials announced that beginning July 16, hoot-owl restrictions would take effect ...

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 ...

Hayden Valley in Yellowstone National Park is one of two epic wildlife viewing destinations. If you are looking to see ...

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

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

I n Yellowstone National Park, a hydrothermal explosion has formed a new hole, filled with chalk blue water that’s hotter ...

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 ...

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