These clouds, which have a shimmering silvery-blue color, are mainly made of ice crystals and form at altitudes of 50–70 ...

Altitudes, landscapes and climates change dramatically as you move across the globe, but one factor remains nearly ubiquitous. All of Earth's diversity is blanketed under a blue sky. But why is the ...

Friday lived up to expectations of October and autumn in Washington: dry, bright, warm and almost perfectly clear for hours.

Ever seen a sunrise from the moon? These space images will leave you marveling at our planet and our universe. Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET.

Need a break from all the breaking news just to marvel at our small, delicate world? There's always something happening in space, and humanity is documenting it more quickly and clearly than ever ...

Gully washer. Duck drownder. Toad strangler. Cob floater. Sod soaker. Whatever their names, summer in the Midwest isn't ...

Photoshop CC 2014 tutorial showing how to replace a burnt-out sky in a photo with a beautiful blue sky and feathery, white clouds. Burnt out sky photo: <a href=" My website!: <a href=" Royalty Free ...