The Taftan volcano in Iran frequently expels gas, but has not erupted. A volcano that has been dormant for hundreds of thousands of years could be gearing up for a massive explosion, according to new ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea level ...

Buried deep in Greenland's ice sheet lies a puzzling chemical signature that has sparked intense scientific debate. When you purchase through links on our site, we may earn an affiliate commission.

Scientists are warning that volcanoes buried under ice sheets are not as dormant as they look. As glaciers thin and retreat, the pressure that has kept magma in check is easing, and a growing body of ...

(CNN) — Here's some background information about volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth's surface, both above and below sea level, is ...