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 ...

There are seemingly countless dog breeds, but did you know some have been extinct for a long time? Here are 14 fascinating ...

"I stuffed 15 dogs in a black Prius and two cats," she said. Having nine more dogs, and a pig, to evacuate, she flagged down some 18-year-olds with a truck who agreed to take them to a shelter.