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

In Yellowstone National Park, a hydrothermal explosion has formed a new hole, filled with chalk blue water that’s hotter than a warm bath. A team of USGS geologists discovered the new pool in April ...

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

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

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

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