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

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, ...

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

Space is already filled with plenty of mysteries, and black holes may be among the strangest. Here are some of the questions ...