NASA's Hubble Space Telescope has spotted some strange behaviour from a swarm of galaxies around Andromeda, our neighbour ...

"Everything scattered in the Andromeda system is very asymmetric and perturbed. It does appear that something significant ...

For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. Scientists know they exist not because they can see an actual hole, b ...

"That's weird," said Weisz. According to the standard model, the dwarf galaxies should approach the dark matter halo — within which a large galaxy is growing from all angles — and therefore swarm ...

The mission—the Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer; or SPHEREx—will ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers ...