This colorful space wallpaper from the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory in Chile shows the star cluster NGC 3590. These stars shine brightly in front of a dramatic ...

This colorful space wallpaper portrays a section of Saturn’s beautiful rings, four centuries after they were discovered by Galileo Galilei. Saturn’s rings were first observed in 1610.

Being able to download wallpaper theme packs is a fun ... Last I checked, Microsoft is not operating a deep-space telescope, and such images in 4K are rarely free. Of course, if you want free ...