A record-setting blast of gamma rays from a dying star in a distant galaxy has wowed astronomers around the world.
Three unusually long-lasting stellar explosions discovered by NASA's Swift satellite represent a new class of gamma-ray bursts that likely arise from dying stars hundreds of times larger than the sun.
05.24.10 - NASA will hold a media teleconference Wednesday, May 26, at 1 p.m. EDT, to discuss new results from the Swift satellite's survey of active black holes.
03.20.08 - - A powerful stellar explosion detected March 19 by NASA's Swift satellite has shattered the record for the most distant object that could be seen with the naked eye.
05.11.05 - NASA scientists have, for the first time, detected and pinned down the location of a short gamma-ray burst, lasting only 50 milliseconds.
02.18.05 - Scientists have detected a flash of light brighter than anything ever detected from beyond our Solar System.