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 ...

Unlike the distinctive spiral arms curved around the center of our own galaxy, Andromeda’s core is circled by multiple rings of dust. To arrive at their conclusions, the astronomers first ...

Astronomers predict that our home galaxy and the nearest major galaxy to it, Andromeda (2.5 million light ... and Avi Loeb of the Harvard-Smithsonian Center for Astrophysics.

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full moon. What backyard observers ...

Right now, the Andromeda galaxy is racing toward the Milky Way at a speed of 250,000 mph - fast enough to circle the world in just six minutes. And it's scheduled to collide, head-on, with the ...