When the clouds are thin and nearly opaque, it’s cirrostratus. When it's thicker and lower in the atmosphere, it is an ...

Researchers at Cornell University have developed the first-ever reflectance spectra — essentially a color-coded key — of the ...

The first report of this unusual cloud appeared in Weather magazine in 1948, in an article titled “Man-Made Cirrus?” The ...

The Moon has a little-known companion -- a lopsided cloud that never leaves its side. Scientists now know what the cloud is ...