Scientists have solved a decades-long mystery of a red glow that permeates our Milky Way Galaxy and other ... Astronomy 'Shocking' nova explosion of dead star was 100 times brighter than the sun.

The snapshot features the vivid red nebula Sh2-46 — also known as Gum 80 — lit up in a fiery hue due to intense radiation coming from a brilliant blue-white star nestled at its heart. The ...

The vivid red cloud in a new image from the European Southern Observatory's Very Large Telescope is a region of glowing hydrogen surrounding the star cluster NGC 371. This stellar nursery lies in ...