Along 1,100 kilometers, from Mexico to Costa Rica, lies the Central American volcanic arc, where the variety of magma types make for a geological paradise. By Pablo Fonseca Q. / Knowable Magazine ...

One of South America's most prominent volcanoes is producing early warning signals of a potential collapse, new research has shown. Tungurahua volcano in Ecuador—known locally as "The Black Giant"—is ...

Over millions of years, the Earth’s upper layers have performed a dance that has created mountains, volcanoes, continents, ridges and ocean trenches. Tectonic plates play a key role in this process.

Add Yahoo as a preferred source to see more of our stories on Google. OSWALDO RIVAS/AFP via Getty Images A tourist slides down the slopes of the Cerro Negro volcano. With chill coastal communities ...

The updated U.S. Geological Survey assessment finds that 161 U.S. volcanoes pose potential threats to American lives and property, eight fewer than in 2005. The eighteen very highest threat volcanoes ...

Add Yahoo as a preferred source to see more of our stories on Google. Over millions of years, the Earth’s upper layers have performed a dance that has created mountains, volcanoes, continents, ridges ...

A tourist slides down the slopes of the Cerro Negro volcano. With chill coastal communities like San Juan del Sur buzzing with surf-minded visitors, the stellar swells crashing along the Pacific Coast ...