Near-Earth asteroid Eros will appear near the Andromeda Galaxy on 30 November, offering a rare sky alignment livestream for ...

Eros appears to buzz the Andromeda Galaxy, courtesy of a livestream hosted by the Virtual Telescope Institute in partnership ...

Astronomers taking a close look at our nearest neighbor galaxy have made a highly unusual and model-challenging discovery; the vast majority of its satellite galaxies appear to be pointing in our ...

Our Milky Way galaxy is a cannibal. You might wonder what would happen if our disk-shaped spiral galaxy were to one day collide with Andromeda, which is over twice the size of the Milky Way.

Astronomers know that mergers play a huge role in galaxy growth. Right now, the Milky Way is slowly consuming the Large and ...

Our neighboring Andromeda Galaxy (Messier 31, or M31) appears to sport a lopsided arrangement of satellite galaxies that defy scientific models, stumping astronomers who are also trying to figure out ...

"As it stands, proclamations of the impending demise of our Galaxy seem greatly exaggerated." That's the conclusion scientists have reached after revisiting the possibility of what we thought was a ...

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

For years, astronomers have believed that the fate of the Milky Way was tied to our largest neighboring galaxy, the Andromeda galaxy. However, a new study now says that this future Milky Way merger ...