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 ...

This is the dramatic moment a smoke devil rose over Simi Valley as the Sandy Fire swept through Southern California. Footage shows a swirling smoke vortex forming at the foot of a mountain as locals ...