Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with supermassive black holes, surrounded by ... X-Ray Flashes from a Nearby Supermassive Black Hole ...

Rock sensation Barbie and her band The Rockers, beloved by everyone all around the world, decide to do something no band has ever done before - preform a charity rock concert in outer space. In this ...