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 ...

Clinical trials play a pivotal role in advancing cancer research and improving treatment options for individuals battling this formidable disease.… ...

Exactly why the sculpture was attacked by University of Georgia students may always be a mystery. But 70 years later, restored, it rides again. By Mary Logan Bikoff To match Jack Shainman ...