Mount Etna has long puzzled geologists because it doesn't fit any of the three classic ways volcanoes are thought to form. A ...

Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

Europe’s tallest active volcano, Mount Etna, may belong to an obscure group of volcanoes shaped by magma in an unusual way.

Volcanoes can behave in strikingly different ways, even when they appear nearly identical. Some release slow, steady lava flows.

In a major discovery scientists has revealed new secrets about Europe's most active volcano Mount Etna.Mount Etna has long ...

About 290 miles off the coast of Cannon Beach, Oregon, lies an underwater volcano called Axial Volcano. Axial erupts about once every ten years. Twice in the past year, news outlets have reported that ...

Because of interactions with Earth's hot mantle, water-logged oceanic plates release water as they slide beneath less dense overriding plates in subduction zones. This water rises and hydrates the ...

This awesome astronaut photo shows the striking symmetry of "twin" stratovolcanoes at the heart of Java, Indonesia. The parallel peaks are an eye-catching reminder of the region's extreme tectonic ...