Sign up here to get more stories like this and weekday weather updates from The Weather Channel and our meteorologists.Noctilucent clouds are extremely rare, very high clouds that are usually only ...

Colorful noctilucent clouds were spotted in the Martian sky on Jan. 17 as NASA's Curiosity ... Earth's atmosphere and are most commonly seen in the summer months near the planet's poles.

During spring and summer, we are more likely to get clouds that are born on rapidly rising thermals of moist air.

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 ...

How are clouds’ shapes made? A scientist explains the different cloud types and how they help forecast the weather. Just4Kids.