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.

“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 ...

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

"The fact that there is only around a 50-50 chance of a merger was very surprising." A titanic cosmic collision between the ...

The long-proposed Milky Way and Andromeda galactic merger might not be as certain as astronomers previously believed.

The Milky Way and the neighboring Andromeda galaxy are currently hurtling through space toward each other at a speed of about ...

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 ...

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

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

Scientists have long thought the Milky Way galaxy would someday collide with its closest neighbor, Andromeda. However, new ...