An extraordinary outburst produced by a black hole in a nearby galaxy has provided direct evidence for a population of old, volatile stellar black holes. The discovery, made by astronomers using ...

n May 2001, 24-year-old Chandra Levy, a federal intern, disappeared in Washington, D.C. Her remains were found in Rock Creek Park in 2002. Ingmar Guandique was convicted in 2010, but the conviction ...