Volcanoes are among Earth's most powerful natural features. They have shaped continents, created islands, influenced climate, and fascinated people for thousands of years. While volcanic eruptions can ...

(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 ...

Volcanic activity will be experienced differently in a warmer world. Researchers need to understand these risks and how they could spiral. Cataclysmic volcanic eruptions are rare — but inevitable.

Two weeks ago, the Philippine Institute of Volcanology and Seismology recorded three distinct, short-lived explosions in less than five minutes at Taal Volcano. The eruption sent a column of ash and ...

A powerful swarm of earthquakes in January suggested one of Iceland’s giant “ice volcanoes” may be awakening after a decade of slumber. In the months that followed, more earthquakes have rocked the ...

On Nov. 27, the Big Island of Hawaii’s Mauna Loa volcano — the largest active volcano in the world — erupted for the first time in 38 years. This eruption was very special because Mauna Loa ...

Here’s a look at volcanoes, mountains that open downward to a reservoir of molten rock. More than 80% of the Earth’s surface, both above and below sea level, is of volcanic origin. Lava is molten rock ...