Volcanoes can look like small mountains or hills. A volcano is an opening in the Earth's crust that allows magma, hot ash and gases to escape. Composite volcanoes are the most common type of ...

The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.

This story appears in the April 2011 issue of National Geographic magazine. When? This is the question that has brought two of the world's leading volcano scientists to the center of Africa ...

On June 14, 1914, three men climbed Lassen Peak to see why a seemingly dormant volcano had started rumbling 16 days before. Now, peering into a newborn crater, they felt the ground tremble.

Minecraft tweeted a picture of a map referencing the Geography Terms poster, and it includes a few biomes not featured in-game. Chief among them is a volcano, something fans have been asking about ...

The Kingdom of Tonga doesn’t often attract global attention, but a violent eruption of an underwater volcano on January 15 has spread shock waves, quite literally, around half the world.