Mysterious and unusual shaped clouds have been spotted in the skies in north Wales. The quirky-shaped clouds have been ...

On June 24, 1947, pilot Kenneth Arnold reported seeing multiple mysterious, gleaming circular objects along the crest of the Cascade Mountains in Washington. It was one of the most famous UFO ...

In the time-lapse video released by the NWS, the cloud simply hovers and reforms as higher clouds move past it. According to the NWS' Albuquerque forecast office, lenticular clouds are associated with ...

Ryan True-Richardson took this photo in the Valley of a large lenticular cloud that formed in the late afternoon ...

The image of an extraordinary cloud formation in the sky over Bursa, Turkey, last week spread on social media causing many to speculate about UFOs and other-world phenomena. But the orange-tinted ...

Lenticular clouds, sometimes called "cap clouds," form over mountain peaks when moisture begins to increase in the upper levels of the atmosphere. Lenticular clouds, or standing wave clouds, are ...

The sky above Lake Tahoe put on a spectacular show Thursday night with a long lenticular cloud turning different shades of pinks and oranges. The rushing stream of condensed moisture appeared twisted ...

Lenticular clouds, or cap clouds, formed Wednesday from high level moisture streaming in from the southwest and hitting Mount Rainier. The moisture rippled off towards the northeast of the mountain ...

They're not an X-file, but lenticular clouds inspire awe wherever they form. Their tendency to look like swirling loops that hover in place spawned UFO reports for decades, but the truth behind their ...

It might be an alien invasion. Or, you might just be in Weed, Calif. Flying saucerlike apparitions are no stranger to the skies in Weed, a city of roughly 3,000 people in Siskiyou County in northern ...

A striking lenticular cloud was spotted over North Conway on New Year's Eve. As you'd expect, the top four seeds in the ...