MOLINE, Ill — Perhaps one of the strangest appearing things in the sky you'll ever witness, this unique cloud formation comes in different sizes and shapes. It is, however, usually caused by the same ...

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One of the latest sightings reported by the UFO group MUFON is captured in this image. The photographer thinks this oddly-shaped cloud might have been caused by a triangle-shaped UFO hidden under an ...

NORFOLK, Va. — Did you look at the sky on Monday as the severe storms exited the region? If you did, you might have been treated to a really cool and not-too-common sight in our area: mammatus clouds!

A cloud that resembles a UFO has been spotted in the same location for more than 100 years. The phenomenon occurs around the Taieri Plain, an area of agricultural land, to the south west of Dunedin, ...

NorthEscambia.com found a quirky story: Back on April 29, a rare cloud formation moved across North Escambia and south Alabama capturing the attention of many North Escambia residents. National ...

On the afternoon of September 15, rare and eerie cloud formations appeared over Chaoyang, Liaoning. The cloud base was ...

The rounded, sack-like protrusions hanging from the underside of a cloud, usually a thunderstorm anvil, are scientifically known as mammatus clouds, according to the National Weather Service (NWS).

Monday brought strange skies to the Coachella Valley, with unusual clouds — some evoking UFOs or otherworldly scenes from the film “Interstellar” — hovering over the San Jacinto mountains and moving ...

COLUMBIA, S.C. — Early Wednesday morning, parts of the Columbia area saw rain to start the day with scattered showers and storms. This made for a rainy morning commute for many individuals. As the ...

If you looked up at the Wichita sky Tuesday night around sunset, dramatic cloud formations probably caught your eye. For those who missed the evening cloud cover, chances are good you can catch a ...

Sightings of hole-punch clouds inundated the Facebook page for the National Weather Service in Peachtree City, Georgia, on Monday with more than a dozen photos sent in from across northern Georgia.