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 artist's concept depicts the Milky Way galaxy and its spiral shape. Our solar system is located in one of the spiral arms. - NASA/JPL-Caltech Sign up for CNN’s Wonder Theory science newsletter.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

Add Yahoo as a preferred source to see more of our stories on Google. A close-up view of a prodigious number of stars in the Andromeda galaxy. The Andromeda galaxy is a colossal marvel in our sky, ...

For nearly two decades, astronomers have been asserting that someday, our galaxy will collide with the galaxy Andromeda, and the two will merge. Recently, a group of scientists has challenged the ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing ...

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 Hubble Space Telescope has produced the most comprehensive survey of the Andromeda galaxy, revealing new clues about its history. The Hubble survey, assembled from over 1,000 orbits and spanning a ...