Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius. ...

The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing in the night sky, larger than a full moon. Textbooks claim it’s visible to the naked eye. Most of us have never noticed it. Too ...

Astronomers have identified a new satellite of the Andromeda galaxy, designated Andromeda XXXVI, making it one of the faintest stellar systems ever detected in the vicinity of our nearest large ...

Andromeda lies 2.5 million light-years away from the Milky Way, a spiral galaxy similar to our own that has allowed scientists to better understand our galactic home. A new composite image reveals our ...