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 ...

Lenticular clouds form when a moist, stable air mass moves over a mountain.

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 ...

SAN FRANCISCO - Some people in the Bay Area were perplexed by the sight of lenticular clouds in the sky Monday evening. It's not exactly a common sight to see them so prominently as KTVU Meteorologist ...

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 ...

Check out this cool cloud. It's a type of stratocumulus cloud called a lenticular cloud. They tend to form over higher elevations, especially over mountains where conditions are just right to give it ...

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 ...

Lenticular clouds are stationary lens-shaped clouds that form at high altitudes, and are normally aligned perpendicular to the wind direction. There are three different types of Lenticular clouds ...

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 ...