An curved arrow pointing right. In 3.75 billion years, Earth's Milky Way Galaxy will collide with the Andromeda Galaxy. Over the next several billion years, the two galaxies will rip each other ...

An curved arrow pointing right. Scientists using NASA's Fermi Gamma-ray Space Telescope have detected a mysterious signal in the Andromeda Galaxy. They're not sure what it is, yet, but there's a ...

NASA's Hubble Space Telescope has spotted some strange behaviour from a swarm of galaxies around Andromeda, our neighbour ...

Astronomers have long considered it inevitable that our home galaxy, the Milky Way, will merge with the neighboring Andromeda ...

Yet, it too, may be destined to collide and merge with an even bigger galaxy: Andromeda. Though galaxy collisions are normal ...

One of the great places to look for dwarf galaxies is the halo of the Andromeda galaxy (also known as Messier 31, or M31 for short), due to its relative proximity. UNIONS is so far the deepest ...

Dalcanton / B.F. Williams / L.C. Johnson / PHAT team / R. Gendler Surrounding the Andromeda galaxy, three dozen tiny galaxies aren't behaving the way scientists expected. NASA's Hubble Space ...