The Ring Nebula, also known as Messier 57, sits about 2,000 light-years from Earth. It is a planetary nebula—a misleading ...
It may be one of the most iconic sights in the night sky, but astronomers have never seen the Helix Nebula like this before.
The shadow nebula LDN 1245 is located in the constellation Cassiopeia.
Here are some of the most beautiful pictures of the nebula, which were taken with the help of NASA's James Webb telescope.