By Elizabeth Landau, CNN (CNN) -- Black holes may be featured in "Star Trek" and "Event Horizon," but they're not just the stuff of science fiction. Now, there's new evidence that these gravity-powered matter-eaters have been around in abundance sinc… more »

AOL News Hugh Collins (June 12) -- Astronomers at an Australian university have developed a new technique that lets them see matter falling into huge black holes millions of miles away.Their secret? Use a galaxy, a collection of millions of stars, as a… more »