In the vast universe, a grand event spanning billions of years is quietly brewing—the Milky Way and Andromeda galaxies will ...

New researchpublished in Nature Astronomychallenges long-held beliefs about the fate of the Milky Way and its closest large neighbor, the Andromeda galaxy. For decades, astronomers have predicted 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 predicted a dramatic fate for our galaxy: a head-on collision with Andromeda, our nearest large galactic neighbor. This merger—expected in about 5 billion years—has become ...

The Andromeda galaxy lies just beyond (...OK, about 2.5 million light-years beyond) our galaxy, the Milky Way. These galaxies are more than just neighbors: They're gravitationally bound. And for the ...

Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using ...

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 ...

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...

CAPE CANAVERAL, Fla. (AP) — It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two ...