Arizona has some of the prettiest sunsets, but why? There's a science behind it. Here's what to know, including sunset times ...

Readers’ photos celebrate sunrises and sunsets, when the light is the most pleasing. Fifty-one photos were sent in; here are ...

The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

Warm colors — including reds, oranges and yellows — evoke feelings of energy, passion and warmth. Warm and cool colors play ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

Gov. Mike Kehoe on Friday ordered the dome of the Missouri Capitol in Jefferson City to be lit red and gold to support the ...

The new looks for living rooms sit in a few key color families, but there are a couple of outliers in these designer ...

The beauty of Uluwatu sunset in Bali places it at number 11 out of 25 best places to watch the sunset, surpassing the Burj ...

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

The ‘Sunset Boulevard’ star on overcoming insecurity, sharing the spotlight in the Pussycat Dolls, and her New Year’s Eve ...