Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. There are many different kinds of volcanoes, ranging from ...

Submarine volcanoes, volcanic structures hidden beneath the ocean surface, play a vital role in shaping Earth’s geology and marine ecosystems. Formed through tectonic plate movements, rising magma, ...

Some great ideas shake up the world. For centuries, the outermost layer of Earth was thought to be static, rigid, locked in place. But the theory of plate tectonics has rocked this picture of the ...

Among seismologists, the geology of Alaska's earthquake- and volcano-rich coast from the Aleutian Islands to the southeast is fascinating, but not well understood. Now, with more sophisticated tools ...

Some of the world’s volcanic hot spots may be fueled by molten material that originates surprisingly close to Earth’s surface. While some of the hottest spots are fueled by plumes of buoyant material ...

There are many different kinds of volcanoes, ranging from the Hawaiian type, which produces gentle, effusive eruptions that tourists can observe from mere steps away, to the andesitic variety, which ...