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 ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

An underwater volcano in the Pacific, Axial Seamount, reveals a process that could challenge current theories about the Earth ...

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 ...

We know very little about the processes that lead to a reeruption of supervolcanoes such as the mostly underwater Kikai caldera in Japan (pictured) and are therefore ill-equipped to make predictions.

Scientists predict there is a one in six chance of a massive eruption this century, but what impacts would such an event ...

The year 1883 saw one of the deadliest eruptions in the history of volcanoes, erupting from the Indonesian volcano Krakatoa ...