Most of the (dark) matter beyond the Local Group of galaxies (which includes the Milky Way and the Andromeda Galaxy) must be ...

A group of astronomers led by Evuda Wempe, a graduate student from the Kaptein Institute in Groningen, discovered a giant ...

Astronomers have uncovered evidence that the Milky Way is not drifting through space alone but is embedded in a vast, flat structure of dark matter stretching tens of millions of light-years. The ...

How is it that galaxies merge and collide but the universe is expanding and everything is moving away from everything else?

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 ...

"This is useful to uncover leftovers from galactic interactions, constraining the hierarchical process of cosmic structure formation." When you purchase through links on our site, we may earn an ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from the James Webb Space Telescope (JWST) in an area of the sky called COSMOS ...

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 ...

For decades, astronomers wondered why most nearby galaxies are speeding away from the Milky Way instead of being pulled in by ...

A galaxy cluster over 6 billion light years away. Peering back in time to when the universe was younger than the Earth is now, the images span the period from around twelve billion years ago until one ...