Mount Etna in Sicily has been blowing spectacular ‘smoke rings’ into the sky since Wednesday. The volcano, which towers over the historic port city of Catania, is the largest in Europe and one of the ...

Tourists in Italy have been treated to quite the show as Mount Etna, the largest active volcano in Europe, has been blowing spectacular "smoke rings" into the sky since last week. The rare phenomenon, ...

Add Yahoo as a preferred source to see more of our stories on Google. A group of hikers look at one of the smoke rings A group of hikers look at one of the smoke rings Europe's most active volcano, ...

The volcano, one of Europe’s most active, has been spewing volcanic vortex rings at a rapid pace. But that doesn’t mean a big explosion is on the way, one expert says. By Elisabetta Povoledo Reported ...

Mount Etna in Sicily, the largest active volcano in Europe, has been blowing spectacular “smoke rings” into the sky. The "volcanic vortex rings," a rare phenomenon that is generated by the combination ...