Astronomers puzzled by cosmic black holePosted: 1 year ago by 2manyusernames Astronomers have found an enormous hole in the Universe, nearly a billion light-years across, empty of both normal matter such as stars, galaxies, and gas, and the mysterious, unseen "dark matter." While earlier studies have shown holes, or voids, in the large-scale structure of the Universe, this new discovery dwarfs them all. Comments: 3 Score: [-] 253 [+].