For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...

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 ...

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's concept depicts the Milky Way galaxy and its spiral shape. Our solar system is located in one of the spiral arms. - ...

A sheet of dark matter lying beyond the boundary of the Local Group is responsible for this.

CAPE CANAVERAL, Fla. — 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 ...

For decades, astronomers have said of our Milky Way galaxy is headed for an inevitable, head-on collision with its colossal neighbor, Andromeda, in approximately 4.5 billion years. This collision, ...

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 ...

(CNN) — A collision between our Milky Way galaxy and its largest neighbor, the Andromeda galaxy, predicted to occur in about 4.5 billion years, has been anticipated by astronomers since 1912. But new ...