Beneath Yellowstone National Park lies something extraordinary—a giant underground chamber filled with molten rock, trapped ...

Yellowstone’s magma chamber is mostly made of a light-colored rock called rhyolite. It spreads out over an area roughly 55 miles long and 30 miles wide and reaches down to a depth of about 10 miles.

Yellowstone’s magma chamber is mostly made of a light-colored rock called rhyolite. It spreads out over an area roughly 55 miles long and 30 miles wide and reaches down to a depth of about 10 miles.

“The Yellowstone system is one that’s been stagnant for a long time.” The volcano’s largest eruption, which earned it the title of a supervolcano, occurred 2.1 million years ago.

Alaska Volcano. Image via Openverse. Yellowstone’s geological history includes three cataclysmic eruptions that have occurred at intervals of roughly 600,000 to 700,000 years. The first known major ...

Yellowstone isn't a typical conical volcano. Instead, it's a massive caldera, a collapsed volcanic crater stretching approximately 45 by 30 miles. This colossal depression sits atop a "hotspot," a ...

RESEARCH HIGHLIGHT 13 June 2025 Model reveals hidden magma pressures beneath Earth’s surface By analyzing ancient volcanic dykes, geologists can potentially improve eruption forecasting ...

An underwater volcano off the West Coast is predicted to erupt at any moment, and the world can watch it happen live. Axial Seamount, located roughly 300 miles off Oregon 's coast on the Juan de ...

China plans to overtake the United States by building the world’s largest national park system, a network of wilderness bigger than Texas. Although China only created its first national park ...

According to new research, the active volcano that sits west of Naples has a "tuff" layer about two miles beneath the surface that traps volcanic gases deep below the caldera's floor.