In a surprising discovery last April, geologists working at Yellowstone National Park’s Norris Geyser Basin uncovered a ...

USGS geologists discovered something odd in Yellowstone National Park: a massive new hole in the ground that's filled with ...

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 ...

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 ...

Yellowstone National Park geologists identified a new thermal feature in Norris Geyser Basin. It may have coincided with a ...

I n Yellowstone National Park, a hydrothermal explosion has formed a new hole, filled with chalk blue water that’s hotter ...

On April 10, 2025, geologists from Yellowstone National Park were conducting routine maintenance of temperature logging stations at Norris Geyser Basin—their first such visit to the area since the ...

Research in recent years has identified issues affecting rivers and aquatic life in the Jefferson River Basin, including low dissolved oxygen, warm temperatures, algae blooms and nutrients.

View looking northwest at a new thermal pool in the Porcelain Basin area of Norris Geyser Basin, Yellowstone National Park, that probably formed in a series of mildly explosive events between late ...