Disneyland is explaining the mysterious black ring of smoke that drivers nearby spotted rising above the popular theme park.

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, ...

On Sunday July 9, the residents of Yorkshire, England saw something strange when they looked up into the sky. Hovering roughly 300 feet off the ground was an ominous black ring of smoke. The shape ...

Smoke rings are being seen in a new light. Doughnut-shaped structures called vortex rings are sometimes seen swirling through fluids. Smokers can form them with their mouths, volcanoes can spit them ...

Lori Nayahalski, who photographed the phenomenon, described the black ring as a “real-life Matrix” and “an orchestrated spoof.” ...

A group of hikers look at one of the smoke rings Europe's most active volcano, Mount Etna, is blowing scores of ethereal "vortex rings" every day from a single vent located in one of its most active ...

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This article was taken from the June 2015 issue of WIRED magazine. Be the first to read WIRED's articles in print before they're posted online, and get your hands on loads of additional content by ...