Our neighboring Andromeda Galaxy (Messier 31, or M31) appears to sport a lopsided arrangement of satellite galaxies that defy scientific models, stumping astronomers who are also trying to figure out ...

Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also contains the Milky Way.

Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky ... since ...

Miguel Claro, a renowned astrophotographer and science communicator based in Lisbon, has unveiled his latest cosmic masterpiece: a breathtaking deep-space portrait of the Andromeda Galaxy (M31 ...

With it pointed straight up into the air, I was able to capture M31 Andromeda Galaxy — complete with its wispy trails. You’ll have to look very close in the first image below, but it’s there.

Like how the Earth keeps the Moon bound on a gravitational tether, our nearest galactic neighbor, the Andromeda galaxy (M31), is surrounded ... and only one came close to being as extreme.

Five years after my first attempt to capture the Andromeda ... our own Milky Way galaxy, as do the several distinct colorful stars which surround the diffuse spiral shape of M31.