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

A panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years away, requiring over 600 Hubble overlapping snapshots to stitch together.

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

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

This portrait from the NASA/ESA Hubble Space Telescope puts the nearby galaxy NGC 4449 in the spotlight. The galaxy is ...

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 ...

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

The Milky Way and the neighboring Andromeda galaxy are currently hurtling through space toward each other at a speed of about 250,000 miles per hour (400,000 kph), setting up a possible future ...

This is the largest photomosaic ever made by the Hubble Space Telescope. The target is the vast Andromeda galaxy that is only ...