Few geological scenarios capture public imagination quite like a full-scale eruption of the Yellowstone supervolcano. The ...

S trange things are afoot in Yellowstone National Park.

When geologists study volcanic hazards or try to anticipate what a volcano may do in the future, one of their primary tools is to examine the volcano’s past behavior.

Yellowstone National Park sits atop one of Earth’s largest volcanic systems, and right now that system is slowly reshaping the ground. Instruments show that the Yellowstone caldera is inflating into a ...

Yellowstone was massive. Roughly a thousand times larger than the eruption of Mt. St. Helens, the biggest eruption in the history of the continental United States. And if Yellowstone erupted again, ...