The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

“For example, Chandra’s X-rays reveal the high-energy radiation around the supermassive black hole at the center of M31 as ...

Scientists previously predicted the pair of galaxies would merge in about five billion years. Now, research suggests that ...

A new image from NASA composed of different wavelengths created a stunning image of Andromeda. “This new image of M31 is released in tribute to the groundbreaking legacy of Dr. Vera Rubin, whose ...

Learn about the new research that changes the estimates of the Milky Way’s demise.

Witness the breathtaking beauty of our home galaxy, the Milky Way, through 6 stunning images captured by NASA's Hubble Space ...

For more than a century, astronomers have watched the Andromeda galaxy, a massive swirl of neighboring stars, speed toward the Milky Way. And in recent years, measurements using the Hubble Space ...

Andromeda is close to the Milky Way, and until recently, it was thought that it would inevitably collide with our galaxy in about 5 billion years. However, doubts have arisen, particularly due to ...

The Associated Press reported Monday that astronomers in Finland have determined that our galaxy has a 50-50 chance of colliding with the neighboring Andromeda within the next 10 billion years.

For years, astronomers have predicted a dramatic fate for our galaxy: a head-on collision with Andromeda, our nearest large galactic neighbor. This merger—expected in about 5 billion years—has ...