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 ...

For most of deep time, spreading ridges released more carbon than volcano chains, changing how we interpret Earth’s climate history.

A once-in-12,000-years volcanic eruption in Ethiopia sent ash plumes drifting as far as India and China. Intense monsoon rains triggered severe flooding across parts of India and Pakistan. Indonesia ...