A flat plane of dark matter beyond the Local Group may explain why nearby galaxies move away from us instead of falling ...

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from ...

In the close Universe, the distance typically is a predictor of speed: more distant galaxies recede more rapidly. Another ...

The solution to a persistent astronomical question that has puzzled scientists for half a century has emerged not from direct observation, but from the computing power of sophisticated computer ...

You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

American astronomer Edwin Hubble (after whom the Hubble Space Telescope is named) coined the term “Local Group” for the galaxies he had identified as moving through space with the Milky Way. The term ...

(CNN) — A collision between our Milky Way galaxy and its largest neighbor, the Andromeda galaxy, predicted to occur in about 4.5 billion years, has been anticipated by astronomers since 1912. But new ...

A high-resolution colour image showing the central galaxies NGC5713 and NGC5719 taken by the Hyper Suprime-Cam at the Subaru telescope in Hawaii. A cosmic dance could be the future of the Milky Way as ...

A cosmic dance could be the future of the Milky Way as it tracks a course to collide with neighbouring galaxies, a new survey has found. A high-resolution colour image showing the central galaxies ...