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 ...

Bermuda has a unique volcanic past. About 30 million years ago, a disturbance in the mantle’s transition zone supplied the magma to form the now-dormant volcanic foundation on which the island sits.

Jupiter's moon Io, a world teeming with volcanoes. The most volcanic world in our solar system has sprouted a new volcano. And its lava flows are enormous. Jupiter's molten moon Io has been surveyed ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. How and if a volcano explodes depends on how and when bubbles of ...

This Is the Way the World Ends? Volcanoes Could Darken World June 6, 2012 — -- Are you worried about the end of life as we know it? Then don't just look to the sky for that catastrophic asteroid ...

What do the rumblings of Iceland's volcanoes have in common with the now peaceful volcanic islands off Scotland's western coast and the spectacular basalt columns of the Giant's Causeway in Northern ...