When people do this on a cruise ship, you start to worry. I hadn’t been paying much attention to the view as it was dark ...

Italy's Mount Etna and Mount Stromboli volcanoes erupted in recent days, spewing smoke and ash into the air. These volcanoes are two of the most active in the world — but they are not the only ...

It can be seen from nearly every location in Sicily. Its iconic and massive, cone-shaped presence looming over the city of Catania on the eastern side of the island: Mount Etna has drawn ...

Following is a transcript of the video. Earth has had a dramatic history, filled with its share of angry outbursts. Here's how the largest volcanic eruptions measure up. The Volcanic Explosivity ...