NASA’s Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery.

A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter ...

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

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

The Milky Way's closest neighbor shines in a spectacular new astrophotography portrait. Astrophotographer Ronald Brecher has captured a stunning image of our neighboring spiral galaxy, Andromeda, ...

Created as a tribute to dark matter pioneer Vera Rubin, the image was created with the aid of a vast array of telescopes. When you purchase through links on our site, we may earn an affiliate ...

Andromeda lies 2.5 million light-years away from the Milky Way, a spiral galaxy similar to our own that has allowed scientists to better understand our galactic home. A new composite image reveals our ...

In this combination of images from NASA/ESA shows three future scenarios for Milky Way & Andromeda encounter. Top left: Galaxies bypass at 1 million light-year separation. Top right: At 500,000 ...

Most galaxies we see today are quiet, well-structured, and orderly. But not all play by those rules. Some are wild, chaotic, and packed with stars that are forming at a furious pace. These rare, ...