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 ...

As the weather continues to be chilly, it’s time to get stitching this fingerless gloves knitting pattern – they’re super quick to make and even better, this one is totally free! Using Aran yarn, this ...