(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 ...

Volcanoes are grouped into four types: cinder cones, composite volcanoes, shield volcanoes and lava volcanoes. Cinder cones are circular or oval cones made up of small fragments of lava from a single ...

Dozens of people have died, hundreds are missing and many more homes were destroyed after separate volcanic eruptions in ...

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On February 20, 1943, Dionisio Pulido and his family were working in their ...

MALILIPOT, Philippines — Nearly 20,000 people have fled from an erupting Philippine volcano and taken shelter in schools, disrupting education for thousands of students, many of whom are having ...

Is there anything more spectacular than a towering lava fountain? Think about what it is: glowing red molten rock being shot into the sky, potentially hundreds or thousands of feet. As ubiquitous and ...