Cloud Composition Clouds are a fascinating part of our sky, made up of countless tiny water droplets or ice crystals. When ...

The peculiar objects appear in the same region of the sky but ... 10 times the size of our solar system. This may seem large, but it's tiny compared to the scales of other gas clouds, which ...

A woman in Calgary, Alberta, Canada, saw a strange, wavy cloud in the sky on Feb. 22 ... Kelvin-Helmholtz wave clouds seen over the Big Horn Mountains near Sheridan, Wyoming, on Dec. 6, 2022.