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

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 ...

Jimmy Kimmel gave a salute to “The Late Show With Stephen Colbert” — and blasted rival network CBS — on Thursday evening, ...

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

Geologists working in Yellowstone National Park discovered a new pool of strange light blue water this spring. Using ...

A hydrothermal explosion has created a 13-foot blue water feature in Yellowstone National Park. The explosion appears to have ...

In Yellowstone National Park, a hydrothermal explosion has formed a new hole, filled with chalk blue water that’s hotter than a warm bath. A team of USGS geologists discovered the new pool in April ...

On Monday afternoon, the U.S. Geological Survey announced the discovery of a new geothermal pool in Yellowstone National Park ...

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

USGS geologists discovered something odd in Yellowstone National Park: a massive new hole in the ground that's filled with steaming hot water.

Yellowstone National Park announced Monday the discovery of a new 13-foot baby blue hot spring. It emerged with little ...

There’s a new milky blue pool in Yellowstone National Park.