Learn more about the Norris Uplift Anomaly at Yellowstone National Park and how advanced monitoring systems helped ...

The same geyser that erupted last summer in a hydrothermal explosion along a Yellowstone National Park boardwalk was caught erupting on video again thanks to a newly-installed webcam to track the ...

“Ice volcanoes” have begun erupting on beaches along the Great Lakes, providing clues of the volatile wave action at work under the ice floes, the National Weather Service says. The strange weather ...

Might America’s most feared volcano actually be far less dangerous now than the headlines let on? For decades, Yellowstone has been portrayed as some sort of ticking geological time bomb, with its ...

Every day, like clockwork, geysers in Yellowstone National Park erupt in a burst of volcanic activity as tourists ooh and ah at the spectacle. (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED CROWD: ...

A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma and Lake counties. Since Thursday, at least 131 earthquakes have been ...

California’s volcanic giants are hard to miss. Mount Shasta looms over the Oregon border. Lassen Peak, the southernmost active volcano in the Cascade Range, erupted just over a century ago, blasting ...

The same geyser that erupted last summer in a hydrothermal explosion in Yellowstone National Park was recorded erupting again, video shows. “Small eruption from Black Diamond Pool, site of a ...