The Rings of Power season 2 is nearing the end, and there's still one major mystery yet to be cleared up: who is the Stranger? The Istar first appeared – literally crashing into the show – in ...
NASA created a haunting audio clip of sound waves rippling out of a supermassive black hole, located 250 million light-years away. The black hole is at the center of the Perseus cluster of galaxies, ...