A 2012 astronaut photo shows the striking beauty of Japan's Aso Caldera, a "supervolcanic" structure home to more than a ...

Some volcanoes don’t give much — or any — warning before they blow. Veniaminof, Alaska, is one of them: it is a ”stealthy” ...

Researchers recently discovered a huge chain of extinct volcanoes buried deep below South China that formed when two tectonic plates collided during the breakup of Rodinia, around 800 million years ...