(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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Volcanoes are Earth’s special effects department, constantly proving that reality can be more dramatic than Hollywood. Lava flows ...

Discover key facts about the Mount Dukono eruption in Indonesia, including its activity history and the challenges of hiking ...

Dramatic NASA images reveal lava coursing near Iceland's Blue Lagoon A lava stream from a volcanic eruption in West Iceland is brighter than the lights of the city's nearby capital, new infrared ...

May 6 (Reuters) - A volcano dormant for thousands of years is erupting in the remote South American region of Patagonia, coating nearby towns in ash and forcing emergency evacuations -- the latest in ...

Do you know a planet in the Solar System has a volcano taller than Everest and nearly 600 km wide? Discover amazing facts ...

Italy's Mount Etna lays claim to several titles. It is: The world's most active "stratovolcano" Europe's largest and most active volcano One of the best-monitored volcanoes in the world One of the ...

Add Yahoo as a preferred source to see more of our stories on Google. Picture it. After a grueling 45-minute to one-hour hike up Nicaragua’s youngest volcano, Cerro Negro, you get to reward yourself ...

This is read by an automated voice. Please report any issues or inconsistencies here. Mexican scientists have created the first three-dimensional map of Popocatépetl’s interior, revealing multiple ...

Tonga eruption that poured 150 metric megatons of water vapor into the stratosphere affected the atmosphere for years A new study builds on previous research into the underwater volcano's effects on ...

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 ...