The dominant rock type in the Yellowstone region is rhyolite, and that is very rich in silica. As hot water circulates underground, it can dissolve that silica and bring it to the surface, where it is ...

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

On Monday afternoon, the U.S. Geological Survey (USGS) announced the discovery of a new geothermal pool in Yellowstone ...

A new light blue hot spring has formed in Yellowstone’s Norris Geyser Basin after months of small hydrothermal explosions.

The blue pool is located in the Porcelain Basin subbasin of Norris Geyser Basin, immediately west of a patch of vegetation informally known as Tree Island. It is about 13 feet across, and the water in ...

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

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 ...

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

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

On April 10, 2025, geologists from Yellowstone National Park were conducting routine maintenance of temperature logging ...

Get ready for a little Christmas in July: There’s a new baby blue pool in Yellowstone National Park, and science suggests it started forming on the winter holiday.

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