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

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 ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Other scientists continue to feel frustrated with the way the work is being described to the public, with news headlines that ...

Astronomers raised hopes that humanity might not be alone in the universe by announcing on Thursday they have detected the ...

"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 ...

Given the immense time it can take for similar orbits to decay, astronomers expect there are many white dwarfs in similar orbits across the galaxy. Indeed, by some estimates, there should be ...

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 ...