The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple colors of a rainbow—there’s a lot going on that we don’t always think about. Why ...

A series of seemingly normal photographs have gone viral over the internet, but is there more than meets the eye? Oyvind Kolas has produced a number of images in which he uses a "colour ...

Before evacuating their homes, the residents took pictures of the dazzling ... The result is an electric sky, filled with purple and pink colors. While it may be a natural phenomenon, it may ...

Did Mars have a blue sky, like Earth's, or was it a sky of a different color? The first pictures to be sent back showed an Earthlike blue sky, leading some to hope that Mars could sustain life at ...

NASA's Curiosity rover on Mars recorded this image of the sun setting in a blue-tinged sky, the first picture taken in full color in its nearly three-year mission. It's one of a series of photos ...

The higher-energy colors with shorter wavelengths — that is, blue light — scatter more readily, and as a result, the entire sky is suffused in blue. Smoke particles also scatter light ...