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 ...

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

Located in the Yellowstone’s Porcelain Basin, the new thermal feature is believed to have appeared on Christmas Day ...

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 ...

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.

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

A routine temperature check at the Norris Geyser Basin in Yellowstone National Park led geologists to discover a new blue ...

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

One of the most eye-catching hot springs in Yellowstone National Park is the bright and colorful Grand Prismatic Spring. It’s blue in the middle with bands of colors ranging from green and ...

YELLOWSTONE NATIONAL PARK – If Morning Glory Pool just isn’t blue enough for you anymore, I found a good stand-in. True blue. Bluer than a blueberry.