Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...

A bright star within our Milky Way galaxy photobombed a beautiful new image of a distant galaxy with "patchy" spiral arms.

Once mistaken for a fuzzy star cluster, the stunning Squid Galaxy—formally known as Messier 77—has transformed in the eyes of ...

"Sometimes, images will capture objects that appear close to each other in the sky ... distant spiral galaxy. It has a protruding central bulge, shown in blue, where older stars reside.