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 ...

Bubble ring created by a humpback whale named Thorn. Credit: © Dan Knaub, The Whale Video Company. June 5, 2025, Mountain View, CA -- A team of scientists from 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, ...