A sheet of dark matter lying beyond the boundary of the Local Group is responsible for this.

Gene Roddenberry is a name as popular as J.R.R. Tolkien and Frank Herbert, but unlike those two creators, Roddenberry's name is on popular IPs.

For more than a century, astronomers have watched in astonishment as the Andromeda galaxy ignored the grand flow of cosmic ...

On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are.

Andromeda is also a flattened spiral like the Milky Way, but it's twice as large — 220,000 light-years across versus 105,000 for the Milky Way — and crammed with a trillion suns. Can you even begin to ...

The Andromeda Galaxy (M31) is the largest member of the Milky Way’s gang of galactic neighbors, known as the Local Group. With around a trillion suns worth of mass, Andromeda’s gravitational influence ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This illustration shows a stage in the predicted merger ...

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

Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from Germany, France and Sweden show that most of the (dark) matter beyond the Local ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

A detailed report has just been released, revealing the troubled development of Mass Effect: Andromeda. The sci-fi RPG was allegedly in development for five years, though the bulk of the work was done ...