The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

The discovery of CDG-2 began when a team of astronomers investigated tight groupings of stars called globular clusters, which ...

Astronomers have detected a ghostly galaxy that is almost completely made of dark matter. The faint object was revealed by just four globular star clusters hiding in the Perseus cluster.

NASA's Hubble Space Telescope has discovered a tidal disruption event 300 million light years away. The donut shaped remains of a star were found around a hungry black hole. Credit: NASA's Goddard Spa ...

Hubble discovers CDG‑2, a galaxy 99.9% dark matter, revealing a cosmic phantom and reshaping our understanding of galaxy ...