How black hole mergers could reveal the nature of dark matter
A screenshot from a simulation shows the merger of two supermassive black holes. Credit: NASA Goddard Space Flight Center/Scott Noble; simulation data, d'Ascoli et al. 2018 We see evidence of supermassive black holes merging everywhere. There's one problem: we're not sure exactly how they do it. Recently, a team of astronomers has proposed that a
