The Hubble Space Telescope has found evidence of a "wandering" black hole about 5000 light years away in the Milky Way galaxy ...

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

A blue dwarf galaxy pitched through the bullseye's galactic neighborhood 50 million years ago, leaving behind nine glittering ...

An international team of researchers has found dark matter dominating the halos of two supermassive black holes in galaxies ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

Researchers said on Thursday that they had discovered twin-lobed radio jets they suspect were formed when the universe was ...