This stunning astronaut photo shows the natural beauty of Japan's Aso Caldera — a giant crater-like bowl containing 17 different volcanoes, leftover from major eruptions spanning over 200,000 years.

Ever wonder why the Pacific Ocean is called the Ring of Fire? Discover the powerful tectonic forces and 450+ volcanoes that ...

Some cities just happen to exist uncomfortably close to volcanoes. That kind of proximity affects routines, infrastructure, and how people think about risk. Scientists surveil shifting ground and ...