Add Yahoo as a preferred source to see more of our stories on Google. Researchers have long thought that the Milky Way would collide with the Andromeda galaxy in four to five billion years. This ...

A new ultra-faint dwarf galaxy has been discovered in the vicinity of Andromeda (M31), the Milky Way's large neighboring ...

A massive star in the Andromeda galaxy brightened in infrared light starting around 2014, then faded from optical view and ...

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 ...

The northern sky’s greatest galaxy gets its familiar name from the northern constellation where it resides, Andromeda the Princess. This star system is our nearest large spiral galaxy, and it sits at ...

GREENBELT, Md. — In a break from its usual task of searching for distant cosmic explosions, NASA’s Swift satellite has acquired the highest-resolution view of a neighboring spiral galaxy ever attained ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A new study claims to have discovered about 200 ancient ...

How would you like to see the farthest thing visible to the naked eye? It’s possible, but you’ll need to bundle up and sit back on a lawn chair. Your neighbors may think you’ve cracked up sitting out ...

Did you know that you can see the closest spiral galaxy next to our own in the sky? While binoculars and telescopes will offer much better views, it’s still possible to see it with your naked eye if ...