While volcanoes can be frightening, supervolcanoes are even scarier. These five supervolcanoes are proof of that, having ...

Yellowstone's geothermal wonders hide an active volcanic system. Recent studies suggest the northeastern magma body could cause a future eruption. Experts monitor the situation with advanced equipment ...

Exposure of explosive ash deposits tens of meters thick, 30 to 40 kilometers north of the Toba caldera. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...