An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a ...

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense within the context of a major merger." ...

Using the Subaru Telescope at Maunakea, Hawaii, the team discovered a “Dark Matter bridge” connecting Perseus to a subcluster ...

The Perseus cluster is a vast collection of thousands of galaxies, all bound together by gravity. Famed for its unbelievable ...

The structural backbone of this bridge is dark matter ... of a major merger." Galaxy clusters are some of the largest structures in the known universe, consisting of thousands of galaxies bound ...

An international team of astronomers has discovered a new ghost galaxy, that does not contain dark matter.

An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a massive, long-lost object that collided with ...

The Perseus cluster is a vast swirl of thousands of galaxies, all bound together ... now make sense within the context of a major merger." Dark matter is the invisible substance believed to ...

All but one of Andromeda's satellite galaxies were found to be pointing right at us. According to our best models, that shouldn't be the case at all.