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 ...

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

Scientists have collaborated to analyze the inner workings of Bolivia's 'zombie' volcano, Uturuncu. By combining seismology, physics models and analysis of rock composition, researchers identify the ...

Mount Etna in Italy is one of the most well-studied volcanoes in the world. It has been erupting for thousands of years, and scientists have been observing it closely for decades.