Andromeda is the closest large galaxy to the Milky Way. And it is getting closer, as the two will merge in several billion ...

Galactic gravity can dramatically impact wide binary stars, pushing them towards unexpected mergers or collisions. The ...

The lab released a new image of two galaxies merging, which teases the fate of ... of the ultimate fate that awaits our own Milky Way galaxy. The image was captured using the NOIRLabs ...

(Credit: Serenity Strull/ Getty Images) Many stars in our galaxy exist in pairs, but our Sun is a notable exception. Now scientists are finding clues that it may once have had a companion of its own.

Supermassive black holes have a mass a million times that of our Sun or larger. Scientists like us ... which can lead to the galaxies merging and forming a larger, more massive galaxy. The two black ...