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?

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A collision between ...

It's been textbook knowledge for over a century that our Milky Way galaxy is doomed to collide with another large spiral galaxy, Andromeda, in the next 5 billion years and merge into one even bigger ...

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 supermassive black holes at the centers of the Milky Way and Andromeda galaxies are doomed to engulf each other in an ill-fated cosmological dance. Astronomers have long known that Andromeda is on ...

There’s more to galaxies than meets the eye, and now astronomers have mapped out a huge invisible region of the galaxy next door. Observations by the Hubble Space Telescope have detailed the size and ...