Add Yahoo as a preferred source to see more of our stories on Google. A bright, fuzzy dot can be seen among a background of stars, leaving a wispy trail behind it. An explosive, green comet racing ...

University of Arizona astronomers have taken the sharpest, most detailed infrared pictures ever of the Andromeda galaxy. They show that our neighbor spiral galaxy is a surprisingly disturbed and ...

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 ...

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to understand the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. M31, the spiral galaxy in Andromeda, with its two companion ...

An explosive, green comet racing toward Earth is currently zooming past the nearby Andromeda galaxy in the night sky, setting the stage for some stunning photographs. You can also watch the comet fly ...