NASA's Chandra Observatory has combined different wavelength images of the Andromeda galaxy to honor astronomer Vera Rubin, ...

Created as a tribute to dark matter pioneer Vera Rubin, the image was created with the aid of a vast array of telescopes.

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 ...

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 ...

Astronomers have long thought that the Milky Way is headed for an inevitable crash with its neighbor, Andromeda. But a new ...

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

Andromeda is about 260,000 light-years wide, according to NASA, making it the largest galaxy in the Local Group.However, its mass is roughly comparable to or even less than that of the Milky Way ...

Both the Milky Way and the Andromeda galaxies (M31) are part of what's known as the Local Group (LG), which also hosts other ...

The team found only a 2 percent probability that the galaxies will collide in the next five billion years. In slightly over half of the simulated scenarios, Andromeda and the Milky Way experience at ...

A collision between our Milky Way galaxy and its largest neighbor, the Andromeda galaxy, predicted to occur in about 4.5 billion years, has been anticipated by astronomers since 1912.