As galaxies go, the Milky Way is fairly average. Its spiral shape is common, and its mass is slightly above the mean, though there are galaxies that are exponentially larger.

"We have discovered a galaxy that has been 'perfectly preserved' for billions of years, a true archaeological find that tells ...

News and research on the formation of galaxies. From the Milky Way to Andromeda Galaxy, see astronomy images of splendid galaxies in the universe. Read the latest research discoveries.