A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's supermassive black hole Sagittarius A*. See W.M. Keck Observatory imagery of X7 ...

An international research team has made a groundbreaking discovery about dark matter and its role in shaping galaxies and ...

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

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

Astronomers have detected an enormous black hole-powered jet that stretches an astonishing 200,000 light-years, making it ...

New details have been discovered about M87*, the first black hole ever photographed, revealing its plasma, its brightness and ...