This intriguing space wallpaper from ESO’s Very Large Telescope shows the glowing green planetary nebula IC 1295 surrounding a dim and dying star. It is located about 3300 light-years away in ...

This space wallpaper beautifully captures the zodiacal light, a triangular glow seen best in night skies free of overpowering moonlight and light pollution. The photograph was taken at ESO’s La ...

With help from a specialized camera scientists have revealed how catsharks see each other glowing in a vibrant green, a new study reports. The study was recently published in Scientific Reports.

The glow could warn predators or help scorpions to recognize each other, although neither possibility has been tested. But Douglas Gaffin from the University of Oklahoma has a more intriguing idea. He ...