Researchers using multiple NASA space observatories have been studying an object known as an ultraluminous X-ray source in the neighboring Andromeda galaxy.
A peculiar cosmic explosion seen by the Swift observatory on Christmas Day 2010 was either a novel type of supernova located billions of light-years away or an unusual collision much closer to home
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.
08.21.04 - Learn more about the Swift mission.