The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner.

Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky Way’s closest major galactic neighbor, and it has broken the record for the ...

Andromeda XXXV contains an estimated 20,000 Suns worth of stars and lies about half a million light-years from the center of the Andromeda Galaxy, or about three times the width of M31 itself.