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 ...

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 ...

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