A stunning new photograph of the Andromeda Galaxy has unveiled the vast, glowing gases that surround this majestic spiral ...

The Andromeda Galaxy's family of dwarfs are an enigma. First it was the unusual flat plane around which more than half of ...

Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...

Today, astronomers have measured the distance to the Andromeda Galaxy much more precisely; they find it to be about 2 1/2 million light years away. It is a majestic spiral-shaped galaxy ...

The photo does appear to feature the Andromeda galaxy and a few of its smaller neighbors. However, according to Svoboda, they aren't in the right spot in the sky. Using an online tool called ...

The Andromeda galaxy's satellite galaxies exhibit a highly asymmetrical distribution, with over 80% concentrated on one side, challenging the standard cosmological model.

Then, they pieced together a record of the X-ray light produced by a supermassive black hole in the Andromeda galaxy called M31 star or M31*. Their research provides insight into the unique ...

Right now, the Andromeda galaxy is racing toward the Milky Way at a speed of 250,000 mph - fast enough to circle the world in just six minutes. And it's scheduled to collide, head-on, with the ...

The Earth is in a galaxy called the Milky Way, which is in the Local Group in the Virgo Supercluster. The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a ...

Boing Boing’s Maggie Koerth-Baker made a great comparison today between the actual Andromeda Galaxy (which is 2.5 million years away from Earth), and the Andromeda Galaxy representation that ships as ...

Cosmological simulations say that such an alignment should not happen, with a probability of less than 0.3%. Our neighboring Andromeda Galaxy (Messier 31, or M31) appears to sport a lopsided ...