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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 109°F.
Learn about the new hydrothermal feature that appeared last winter in Yellowstone National Park, possibly on Christmas Day.
Yellowstone’s geological history is one of the most intensely studied in North America. From a map drawn on a bison pelt by ...
Yellowstone National Park, renowned for its geothermal features and volcanic history, is beginning to show signs of renewed ...
In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...
Did a hydrothermal explosion at Yellowstone National Park that sent visitors running on Tuesday shut it down? Here's what to know.