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 ...

In the close Universe, the distance typically is a predictor of speed: more distant galaxies recede more rapidly. Another rule around the Milky Way has long been strangely compliant, however. Most of ...

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

We live in a dark, dark, world. The post Our Entire Galaxy Appears to Be Embedded in a Colossal Sheet of Dark Matter appeared ...