A mesmerizing swath of mammatus clouds hung over Wichita, Kansas, on Monday, May 18. Video filmed by Chad Casey shows the ...

Mammatus clouds were visible above the small community of Ovalo, Texas, on Sunday, May 10, as a large part of the state was under the threat of severe storms. Meri Combs, a local weather enthusiast, ...

Experience a breathtaking mammatus cloud sunset captured during a storm-chasing moment. This dramatic sky footage showcases ...

NORFOLK, Va. — Did you look at the sky on Monday as the severe storms exited the region? If you did, you might have been treated to a really cool and not-too-common sight in our area: mammatus clouds!

After severe storms swept through the Houston metro area on Tuesday, an eye-catching display of mammatus clouds — a rare and distinctive pouch-like cloud formation — filled the skies over Southeast ...

Here are a few photographs taken by Eagle photojournalists Travis Heying and Jaime Green on Tuesday evening. Mammatus clouds cover the Wichita sky at the Keeper of the Plains on Tuesday night after a ...

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 ...

A breathtaking storm scene featuring massive glowing mammatus clouds stretching across the horizon above an isolated rural ...