Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using ...

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum ...

Using data from the Keck Cosmic Web Imager, an animation has been created that "reveals a 3-D slice through a network of ...

See amazing views of colliding galaxies NGC 520 and barred galaxy IC 4212 in imagery from the Siena Galaxy Atlas.

What happens when two rare ring galaxies collide? They form an infinity symbol—or the face of a cosmic owl, depending on how you look at it. The James Webb Space Telescope has helped two international ...