These ghostly hoops have been spotted above volcanic events around the world. But how they form has long been a mystery. Mount Etna—located in Catania, Italy—is one of the rare volcanoes that can blow ...

The Zero Blaster is a new toy that encourages kids to blow smoke rings, but with a gun—not cigarettes. The Zero Blaster includes a light for fun at day or night and can blow the rings up to a distance ...

Some scientists think we can better understand volcanoes by learning how the gaseous vortexes emerge. By Carolyn Wilke Some volcanoes perform a rather subtle trick: blowing rings of vapor that waft ...

Mount Etna in Italy has been blowing smoke rings over the last couple of days. Scientists say it’s a rare phenomenon generated by the combination of rapid gas release and the circular vent shape of a ...

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, ...

Astronomers have caught a red giant star going through its final death throes in unprecedented detail, revealing an unusual feature. The star, known as V Hydrae (or V Hya for short), ejected six ...