Supermassive black holes (SMBHs) are the churning engines of galaxies, but astrophysicists aren’t exactly sure how two of them merge. While evidence suggests this occurs, we’ve never seen a merger ...

Researchers have found a link between some of the largest and smallest objects in the cosmos: supermassive black holes and dark matter particles. Their new calculations reveal that pairs of ...

The "final parsec problem" describes the difficulty in explaining how supermassive black holes lose sufficient orbital energy to merge when separated by distances around one parsec, where ...