As Des Moines was hit with strong thunderstorms Tuesday, pictures of a "shelf cloud" start circulating social media. The images displayed what looked like low hanging clouds under more cloud coverage ...

Got your head in the clouds? Well, that's exactly where I want you. Clouds are fascinating to watch as they float through the sky. But what is even more intriguing is that their appearance can give ...

Rainbows sometimes appear in the sky after a downpour, while water droplets still are lingering in the air. Those droplets, like a prism, bend white light from the sun into an arc of red, orange, ...

To better understand Mars and its atmosphere, NASA is asking for help spotting clouds on the Red Planet. Scientists are inviting the public to identify Martian clouds as part of a new project to learn ...