By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...
Ancient quasars seen by the James Webb Space Telescope technically shouldn’t exist, but one rare type of dark matter could ...
From unifying quantum physics and gravity to working out what is dark matter, the universe has some deep questions that ...
The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...
Supermassive black holes, regions of space where the pull of gravity is so intense that even light doesn't have enough energy to escape, are often considered terrors of the known universe.
Traditional black holes, as predicted by Albert Einstein’s theory of General Relativity, contain what are known as ...
"This discovery challenges the common belief that black holes formed in star clusters always have randomly distributed spins." ...