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

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

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 ...

Learn about the new hydrothermal feature that appeared last winter in Yellowstone National Park, possibly on Christmas Day.

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

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

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

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 ...

In April, when Yellowstone National Park geologists made their first visit this year to the Norris Geyser Basin, they ...