Noctilucent clouds on Earth are something quite spectacular, thin structures so high that they can still catch sunlight long ...

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

Credit: NASA/JPL-Caltech/MSSS/SSI/Cover Images NASA has unveiled a series of stunning new images capturing vibrant clouds ...

Following is a transcript of the video. Narrator: From thin and wispy to big and puffy, clouds cover about 70% of the planet at any given moment. But what if, in the next minute, poof, they all ...