I love the different forms they take. There are the puffy cotton ball-like clouds against the blue sky — those iconic cumulus clouds. There are curlicue cirrus clouds wafting high above made of ice.

Every day, members of the Cloud Appreciation Society post photos of the sky from around the world. This is why they stop to look up. By Josephine Sedgwick Suzanne Winckler “It’s always a good ...

Photographer Rain Hayes tweeted a photo on Dec. 16 of cobweb-looking wisps of clouds in the night sky in Oakland. Rain Hayes-rainhayes.com Californians caught the sight of a lifetime when rare ...

We’re used to NASA dropping gorgeous photos of far-off objects in space, but its most recent observations are much closer to home. In a new … ...

It's pretty well-known that most clouds are white, ... (making the sky blue), the tiny cloud particles equally scatter all colors of light, which together make up white light.