Several rainbow clouds have been spotted in the sky above New Hampshire in recent days.The sightings left many pondering the story behind the clouds.The scientific term for the beautiful cloud ...

Another mysterious cloud that looked suspiciously like the Death Star from Star Wars has also appeared in the sky in Japan.

This dramatic infrared space wallpaper shows the ... hot young stars illuminating a beautiful collection of reflection nebulae, embedded in a large molecular cloud. Standard 800x600 1024x768 ...