SpaceGargantuan black hole may be a remnant from the dawn of the universe Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb Space Telescope – now simulations suggest it could be a primordial black hole, something we have never seen before News
SpaceIs the universe really one big black hole? According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space, could the whole cosmos be a black hole? Comment