Have you ever looked up at the sky and noticed how clouds often form in distinct layers, with some huddled close to the ground while others seem to float high above? The stratification of clouds in ...

It was not a bird, a plane, popcorn, cotton balls or giant cow udders in the skies above Bucks County on Sunday evening. So what was it? A unique weather phenomenon. Called mammatus clouds, these ...

MOLINE, Ill. — Atmospheric conditions came together just right on Wednesday afternoon to produce something we don't see that often here in the Quad Cities: rainbow clouds. Many of you quickly took ...