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

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense within the context of a major merger." ...

Tatooine might be the inescapable center of the Skywalker Saga, but when it comes to the most influential planets in the Star Wars galaxy, Ghorman just hyperspace jumped to the top of the list.

Ladi Svoboda told Snopes that the photo was "real but artistically interpreted," while noting that similar shots were ...

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

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 that ...

"A supercomputer simulation shows many galaxies merging over time. The parts of galaxies we can see are glowing stars forming ...

"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 ...

P2 corresponds to the position of the supermassive black hole at the center of the Andromeda galaxy. Image Credit: DiKerby, Zhang, & Irwin 2025, ApJ Every large galaxy has a supermassive black hole, ...

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 ...

There is one supermassive black hole at the heart of every massive galaxy. Black holes and their disks can rotate, and when they do, they drag space and time with them — a concept that's mind ...

In addition to that, the jet also sprays X-rays across the galaxy. Cosmic X-rays are bad for life because they can harm organic tissue. For life to thrive, it most likely needs a planet with a ...