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

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

The vast Yellowstone National Park in Wyoming, USA, continues to be a source of fascinating discoveries.  Most recently, park geologists confirmed the ...

A brand-new discovery in a popular national park has “explosive” beginnings. Geologists in Yellowstone National Park recently ...

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

In a surprising discovery last April, geologists working at Yellowstone National Park’s Norris Geyser Basin uncovered a previously undocumented thermal pool. Found during routine maintenance at ...

The U.S. Geological Survey announced the discovery of a new geothermal pool in Yellowstone National Park’s Norris Geyser ...

The arsenic concentration in Yellowstone thermal waters is often 1 mg/L, but concentrations as high as 17 mg/L have measured — that’s about 2,000 times higher than the MCL.

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