Part of that ring (though, it’s really more a horseshoe) bisects the Pacific Northwest via the Cascade Range, and it’s here that one of the most active volcanoes of the world can be found.

This false-color satellite photo from 2014 shows the immense heat emanating from lava lakes at the summits of a pair of ...

Laguna del Maule is considered by academics and experts to be one of the most dangerous volcanoes of the Southern Andean volcanic belt and is Argentina's third most dangerous volcano.

Kilauea, one of the world’s most active volcanoes, has been erupting on and off for more than three months since it burst to life on December 23. During the eruptive episodes, lava fountains ...

Scientists monitoring Alaska’s Mount Spurr said seismic activity continues to rise, indicating that the volcano is moving ... some of those places are popular recreational sites.