The Hubble Space Telescope has played a crucial role in studying Andromeda’s satellite galaxies. With over 1,000 orbits dedicated to this research, Hubble has provided a high-resolution 3D map ...

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 ...

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 ...