But the eruptions left behind a new thermal pool. Ice-blue in color, warm in temperature and a little larger than a backyard hot tub, the pool is the newest known feature to bubble up in Yellowstone’s ...

The U.S. Geological Survey announced the discovery of a new geothermal pool in Yellowstone National Park’s Norris Geyser ...

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