In 1669, in what has been considered the volcano’s worst known eruption, lava buried a swath of Catania, about 15 miles away ...

The largest volcanoes in Earth’s history owe their formation to powerful geological phenomena called mantle plumes—upwellings of abnormally hot rock within the Earth’s mantle that rise toward the ...

The largest volcanoes in Earth’s history owe their formation to powerful geological phenomena called mantle plumes—upwellings of abnormally hot rock within the Earth’s mantle that rise toward the ...

A huge plume of ash, gas and rock spewed forth on Monday from Italy's Mount Etna as authorities warned people to steer clear ...