A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...
A flat plane of dark matter beyond the Local Group may explain why nearby galaxies move away from us instead of falling ...
In the close Universe, the distance typically is a predictor of speed: more distant galaxies recede more rapidly. Another ...
Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from ...
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 ...
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 ...
The Andromeda galaxy, left, is about to collide with part of the Milky Way, as seen from Earth, in a hypothetical merger scenario. Credit: NASA illustration "Based on the best available data, the fate ...