A Yellowstone supereruption would be devastating, but scientists say it is not the volcano’s most likely threat. Here is what ...

Officials reported a hydrothermal explosion at Yellowstone’s Biscuit Basin, forming new vents and a boiling pool with no injuries.

“Ground that the team had walked on just 2 days earlier had developed into an actively boiling pool!” officials wrote on June 22 ...

Yellowstone National Park geologists have confirmed that a small hydrothermal explosion that occurred earlier this month formed a new thermal pool.

Two years after a dramatic explosion in Yellowstone's Biscuit Basin, a new geyser shot up near Black Diamond Pool.

In the early hours of June 13, a hydrothermal explosion in Yellowstone National Park’s Biscuit Basin sent several rocks ...

Scientists have uncovered a new explanation for what powers Yellowstone and other supervolcanoes. Instead of a deep plume rising from near Earth’s core, a broad “mantle wind” may push hot rock beneath ...

A caldera—like the one at Yellowstone Park spanning parts of Wyoming, Idaho and Montana—is a large depression or hollow formed when a volcano erupts and the magma chamber beneath it empties, leading ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible from a road rather than any significant change in the park famous for its ...

“Even more colossal” is the way University of Utah researchers now describe the Yellowstone super volcano, which lies under the Wyoming’s northwest corner, after discovering that it is over twice as ...

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