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

I just realized it’s already mid-October. Normally, this time marks the start of the most joyful part of the year, as Filipinos gear up for the Christmas season. Christmas decorations would ...

For Palo Alto's conservationists, the adoption of a "dark sky" law is a bright idea that is long overdue. But as the City Council prepares to adopt the ordinance, advocates, commissioners and city ...

Dark smoke clouds from fires covered the sky over Bizanet, France, on Sunday (June 29). (Video credit: @klv_tattoo via Instagram) ...

A tornado warning was issued in several counties, and storms filled the sky with lightning and dark cloud formations.

Weather officials say different types of clouds can tell you what kind of weather to expect. Here's a look at the different types.

A pitch black sky often appears before a storm strikes. Here's what gives these clouds their dark appearance.

It looked like the clouds were written in cursive this morning just before sunrise, all thanks to another launch from the Space Coast.

By midnight, the clouds should thin out or disappear around Indianapolis. High level clouds may still make the night sky a little hazier than ideal. High level clouds are less likely to reflect light ...

The cloud, named Eos, is chock-full of molecular hydrogen and possibly rife with star-forming potential in the future.

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. With their dramatic ...

The clip posted by @verivanessa shows a large cloud at sunrise appearing to sit just above the horizon, with a long, dark rectangular beam stretching across an orange-pink sky.