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 ...

Beau might be the "Golden" standard when it comes to unsupervised solo time, and as young as he is, it's pretty impressive. According to Oakwood Animal Hospital in Oakwood, Georgia, leaving your dog ...