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.

The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal that ...

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 ...