Dark storm clouds engulfed the skies above Lake Worth, Florida on July 7th.

A dramatic shelf cloud loomed over Clarksville, Tennessee, as severe storms moved through the area. Resident Jeffrey Collazo captured the eerie scene, showing a wall of dark clouds sweeping across ...

Astronaut Nichole Ayers recently witnessed a phenomenon known as a sprite from the International Space Station.

GREENSBORO, N.C. — If you’ve ever looked up and seen a dark, menacing cloud stretching across the sky like a giant wedge, you’ve likely witnessed a shelf cloud.

The Adirondack region is taking steps to preserve its dark night skies, with a proposed bill aiming to reduce light pollution ...

Video footage captured by Kristelle Nielsen on May 18 shows the plane descending as dark clouds cover the sky with a huge tornado circling at a distance.

Named Eos, after the Greek goddess of the dawn, the cloud was found lurking some 300 light-years from our solar system and is as wide as 40 of Earth’s moons lined up across the sky.