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

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 ...

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.

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 ...

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 ...

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 ...

On Saturday evening, Riverside County residents walked outside to take photos and videos of something they had never quite seen: a massive formation in the sky that loomed directly over their sleepy ...

SEATTLE — Even a clear sky contains layers of wet and dry air, that is, layers with different humidities. You can’t see these layers unless the humidity is high enough for the moisture in the layer to ...

MOLINE, Ill. — No doubt our skies have been a lot more active recently thanks to a slow-moving upper-level low-pressure system lingering across the Midwest. This has brought not only welcome rainfall ...

Lenticular clouds are a unique species of cloud that arises as a result of atmospheric dynamics. Lenticular clouds often take the shape of a flying saucer. When something like a mountain or a volcano ...