For decades, scientists knew magma was simmering beneath the earth at Yellowstone National Park. A team of researchers recently found out how deep.

Because it has not exploded in about 640,000 years, some experts and locals believe the volcano's ... rhyolite makes up Yellowstone’s magma chamber. The chamber spans an area 55 miles by ...

Snow accumulation in this area is the highest across the Yellowstone Plateau, and most of the rivers and creeks mainly drain the Pitchstone Plateau, the site of the last volcanic eruption in ...

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 ...

A new geyser recently popped up in Yellowstone National Park. The thermal vent is located on the road between Nymph Lake in the Mammoth Hot Springs area ... park sits atop a volcanic hot spot ...

“This new hydrothermal feature is within a region called the Roadside Springs thermal area, which is a collection ... the scientists in charge of the Yellowstone Volcano Observatory, said ...