A possible culprit is the compact satellite galaxy Messier 32, which resembles the stripped-down core of a once-spiral galaxy that may have interacted with Andromeda in the past. Computer simulations ...

which resembles the stripped-down core of a once-spiral galaxy that may have interacted with Andromeda in the past. Computer simulations suggest that when a close encounter with another galaxy ...

Hubble captures largest Andromeda galaxy photomosaic 200 million stars revealed in Andromeda’s stunning image Insights into Andromeda's mergers and star-forming history ...

A close-up view of a prodigious number of stars in the Andromeda galaxy. Credit: NASA / ESA / B. Williams (U. of Washington) The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 ...

NASA recently released images of the Andromeda galaxy, an "enticing empire of stars" that can be seen with the naked eye if weather conditions are just right. About 100 years after astronomer ...

This image, captured by NASA's Wide-field Infrared Survey Explorer (WISE), showcases the expansive Andromeda Galaxy, also referred to as Messier 31 or M31. This image of M31, our nearest major ...

"It's like photographing a beach and resolving individual grains of sand." Astronomers announced last week that they had completed a decade-long, meticulous effort to assemble a full portrait of ...

His remark holds true now, nearly half a decade later. At 2.5 million light-years away, the Andromeda Galaxy—officially called Messier 31—is the farthest object visible to the naked eye.

NASA recently released images of the Andromeda galaxy, an "enticing empire of stars" that can be seen with the naked eye if weather conditions are just right. About 100 years after astronomer Edwin ...

Credit: ESA/Hubble Information Centre. The Andromeda galaxy, our closest large galactic neighbor, is a treasure trove of stars and cosmic mysteries. Thanks to NASA’s Hubble Space Telescope ...