The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On a clear night, some stars of the galaxy can be seen from Earth.

Located about 2.5 million light-years from Earth, Andromeda, which is also known as Messier 31m has been a focus of the space community for more than a century, with early observations dating back ...

It’s nice to think the Milky Way “still has a long, planet-forming future ahead of it.” Galaxy merger mayhem Astronomers witness galaxy mergers happening throughout all of space and time.

The spiral Andromeda galaxy is our closest neighbor, sitting 2.5 million light-years away. The consensus was that after circling ever closer for billions of years, the two galaxies would collide.

Someday, the Andromeda Galaxy will merge with our Milky Way – and it won’t be the first time Andromeda has swallowed up another galaxy and kept the stars for itself.

It's very likely (in fact, it's practically certain) that planets exist outside of our galaxy -- we just haven't been able to detect them yet. Our closest galactic neighbor, Andromeda, is ...

Still, if you get to see the Andromeda Galaxy, consider that you are seeing light 2.5 million years old, dating from when the human species was just beginning to establish a fragile foothold on planet ...

Everything you can see — all the stars, the planets, the shooting stars, the northern lights — is contained within the Milky Way galaxy, except one thing.

Many of the planets in the Andromeda galaxy are uninhabitable, and along with these new dangerous environments, the protagonist Ryder and their crew are thrust into the midst of a war between the ...

Because it is set in a brand new galaxy, Andromeda will feature plenty of new planets to explore. The several we have already seen are diverse and beautiful to behold.

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 ...