such as striking colorful clouds. A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars. Captured using the rover’s Mastcam ...

Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured ... shining"), or twilight clouds, tinged with color by scattering light from the setting sun.

Have you ever wondered how clouds stay in the sky? Here's your answer, and by the way, the weight of an actual cloud might ...

A total lunar eclipse will flush the moon red Thursday night into Friday morning across the country including Boston, where viewers will have to hope for a break in the clouds to see the spectacle.