Add Yahoo as a preferred source to see more of our stories on Google. A whirling vortex of smoke seen on camera as the "Park Fire" in California exploded Thursday looked just like a tornado, but ...

A mystery black ring dubbed a 'smoke vortex' has baffled drivers and weather experts after being spotted floating through the sky. The bizarre phenomenon was spotted by Kimberley Robinson, 22, as she ...

A smoke ring formed in the sky after a transformer explosion in Branford on Thursday and the mysterious looking formation is called smoke vortex ring. Smoke vortices form when there is a blast through ...

A wildfire camera caught the moments when a vortex formed in the thick smoke created by the Park Fire in Northern California. The images show the smoke begin to twist as very hot air rises and new air ...