Millions of years ago, a volcano created Wheeler Geologic Area. We visited the hoodoo-filled landscape and learned what it ...

Naples has been rocked by its strongest earthquake in four decades, shaking homes across southern Italy and sparking fears ...

How to Survive explains what to do if a supervolcano erupts near you, including critical steps to protect yourself from ash, ...

The formation of Heart Mountain near Cody is a story of a block of rock the size of Rhode Island moving at 700 mph, an ...

Fusulines thrived in cold seas but vanished twice when warming from volcanoes rapidly spiked ocean carbon levels.

Pliny the Younger described the ground shaking as Mount Vesuvius exploded in fury. That eruption devastated Pompeii.