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

Washington, D.C. sunsets featured striking reds and oranges that led those on Capitol Hill to take notice ahead of the ...

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 ...

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

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.

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

Banish the image of a stuffy hotel when you think about this accessibility haven in West Virginia. There's plenty to do here that everyone is able to enjoy.

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 ...