By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...
"Interestingly, the quasar powering this massive radio jet does not have an extreme black hole mass compared to other quasars ...
The black hole, with an official name of 1ES 1927+654, is located in the distant constellation Draco. Astronomers have been monitoring the black hole for years, primarily since 2018 when the mass ...
Astronomers observed flashes of X-rays coming from a supermassive black hole at a steadily increasing clip. The source could be the core of a dead star that's teetering at the black hole's edge.