In recent groundbreaking research published in Monthly Notices of the Royal Astronomical Society, scientists from the ...

Astrophotographer Miguel Claro captured a colorful portrait of the Andromeda Galaxy from the Dark Sky Alqueva Observatory in Cumeada, Portugal.

Astronomers have long believed that our Milky Way will eventually collide with the Andromeda galaxy. A new study suggests that we might escape that fate. The spiral Andromeda galaxy is our closest ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data ...

The Andromeda galaxy (M31) has been captured by the Chandra X-ray Telescope. See the imagery and hear a sonification of it.

Shockingly Tiny Galaxy Near Andromeda Is Just One-Millionth the Size of the Milky Way The fully formed galaxy is remarkably teeny, raising new questions about how galaxies emerge and evolve.

When will the Milky Way collide with the Andromeda Galaxy? It's a common question because, for many years, astronomers have theorized that the two largest spiral galaxies in our cosmic ...

NASA recently released images of the Andromeda galaxy, an "enticing empire of stars" that can be seen with the naked eye if weather conditions are just right.

The long-proposed Milky Way and Andromeda galactic merger might not be as certain as astronomers previously believed.