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 ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the most interesting clouds appears in the mountains and almost looks like the mountain peak is wearing a little hat. These ...

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 ...

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 ...

Granite Staters captured several pictures Friday of dramatic lenticular clouds in parts of New Hampshire.

The Mount Washington Observatory says these clouds can actually be helpful for them, since they often serve as a visual aid to measure turbulence for air travel.

Mysterious, motionless clouds often mistaken for UFOs are actually lenticular clouds, a well-understood meteorological phenomenon. These smooth, lens-shaped formations are created by stable air ...

MT. HOOD MEADOWS, Ore. (KOIN) — Oregon’s latest cold front and strong winds helped simultaneously form a cap cloud and lenticular cloud over the peak of Mt. Hood on Tuesday. A time-lapse view of these ...

NEAR MT. RAINIER, Wash. — Once again, some persuasive pictures of Mount Rainier have led a few to wonder if the volcano was beginning to erupt earlier this month. Spoiler alert: no, Mount Rainier was ...

The bizarrely shaped lenticular clouds that form around mountain peaks can easily be mistaken for UFOs, but their underside can be equally “surreal,” judging from video shared by researchers. It was ...

A massive cloud shaped like a flying saucer covered the top of California's Mount Shasta on Jan. 22, attracting the attention of many, especially shutterbugs who posted images that wowed the social ...

TO CLOSE DUE TO THE DAMAGE THERE. WELL, NEW ON DAYBREAK, WE ARE GETTING A LOOK AT AN AMAZING SIGHT RIGHT OVER MOUNT WASHINGTON. WE GOT THIS PHOTO YESTERDAY FROM JOHN, WHO SAYS THAT IT SHOWS A COOL ...