Yellowstone volcanism has produced some of the youngest rocks in North America. This same region also features some of the ...

The new geyser is located just under a mile north of the Norris Geyser Basin. If traveling on the road between Mammoth Hot ...

The Yellowstone region's Beartooth Mountains feature some of the most ancient rocks in North America — as old as 3.96 billion ...

Mike Poland, of the Yellowstone Volcano Observatory, said “the feature itself is new. That there would be a new feature is, you know, mundane,” he told The Associated Press. “The noteworthy ...

According to a HowStuffWorks documentary on Yellowstone, while the volcano has remained dormant for roughly 640,000 years, scientists continue to monitor it for signs of renewed activity.

However, even if the new steam column isn't active when you visit, it's just one of more than 10,000 hydrothermal features ...

“It’s fun (but) not particularly unusual,” Mike Poland, the scientists in charge of the Yellowstone Volcano Observatory, said at the time. “Yellowstone geysers do this all the time.” ...

A new column of steam rises from Yellowstone. While the expansive volcano shows no hints of an eruption, magma brews beneath the surface, fueling hundreds of geysers and other heated phenomena.

A group of US Geological Survey (USGS) geologists have discovered signs of rhyolitic volcanism in the northeast-shifting Yellowstone caldera. The Yellowstone Caldera, a volcanic caldera and ...

A thin coat of gray mud confirmed the vent was new, according to a recent online post by scientists with the Yellowstone Volcano Observatory overseen by the U.S. Geological Survey.Mike Poland ...