The area near clouds is often classified as ‘clear sky’, but a new study demonstrates the potential biases of misclassifying ...

The clouds can tell you a lot about the weather you will experience on a given day. Many Iowans woke up to seeing these ...

NASA’s Curiosity Mars rover has been skygazing recently and spotted a lovely example of Martian clouds. Noctilucent clouds shimmer above a hill on Mars in this image from the Curiosity rover ...

Berndnaut Smilde creates clouds to photograph in odd places—here, in China’s Shanghai Himalayas Museum—using smoke and mist machines. (He retouches the images so the tools aren’t seen.) ...