Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...

Using the XMM-Newton telescope, astronomers have witnessed high-speed "burps" erupting from a distant overfeeding ...

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

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about ...

NASA's Chandra X-ray space telescope has captured a breathtaking image of the neighboring Andromeda galaxy, in a tribute to ...

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

While our home supermassive black hole has a mass 4.3 million times that of the sun, M31* dwarfs it with a mass 100 million times that of the sun.

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

A supermassive black hole located 1.2 billion light-years away shows signs of intense activity. Observations reveal matter ...

In thelatest release from NASA, stunning new images of the Andromeda galaxy (M31) have captured the attention of the global ...