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

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

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

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

While conducting a routine temperature log at Norris Geyser Basin, a new pool was found in the Porcelain Basin with light-blue colored water.

A new hole was discovered in Yellowstone National Park in April 2025, when geologists performed routine maintenance at the ...

But the eruptions left behind a new thermal pool. Ice-blue in color, warm in temperature and a little larger than a backyard hot tub, the pool is the newest known feature to bubble up in Yellowstone’s ...

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

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

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 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.

Yellowstone National Park contains the world’s largest concentration of geothermal features. In fact, this is the primary reason it was set aside as a national park in 1872.