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 ...

The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal ...

First up is the Andromeda Galaxy, our closest neighbour in the cosmos, featuring stunning spiral arms and a vibrant central core. Next is the Whirlpool Galaxy, a breathtaking spiral with a ...

"SPT2349-56 is an extreme case of this. Over 30 galaxies are packed into a region comparable in size to the Andromeda galaxy, one of our nearest neighbors. "However, this system is forming stars ...

This galaxy is called Andromeda XXXV and, together with other similar galaxies, orbits the neighboring Andromeda galaxy. The discovery of this tiny galaxy could change the way scientists think about ...

Be careful out there, astronomers: There could be a dark galaxy in our midst. In research published today in Science Advances, researchers from the Chinese National Academy of Sciences discovered ...