Martian clouds are made of either water ice, or—at higher altitudes and lower temperatures—carbon dioxide ice. (Mars's atmosphere is more than 95% carbon dioxide.) The latter are the only kind ...

So. Back to clouds. They're not as common on Mars as they are on Earth because the Mars atmosphere is thin and dry, and the clouds that we all see here on Earth are basically just floating water ...

What do clouds on Mars look like? Well, a new video stitched together from images captured by NASA's Curiosity rover offers a glimpse. In this video, delicate red-and-green-tinted clouds are seen ...