"Overall, it's not surprising that black holes should be in triples, but what's surprising is that this system held onto the outer star after forming the black hole." When you purchase through links ...

Chinese astronomers have spotted a hidden supermassive black hole in the background of a peculiar gravitational wave event from a black hole merger, hinting that all three singularities were locked in ...

In a remarkable breakthrough, astronomers have uncovered the first known triple system where three galaxies, each harboring an active, radio-bright supermassive black hole, are caught in the midst of ...

Despite their destructive forces, black holes are often seen in with a companion, such as a star, neutron star, white dwarf, or even another black hole. However, a study published Oct. 23 in Nature ...