A gamma-ray burst detected by NASA's Swift satellite has smashed the previous distance record for the most powerful explosions in the Universe. Researchers are calling it "an incredible find" and a "true blast from the past."

http://svs.gsfc.nasa.gov/vis/a010000/a010300/a010369/twoComponentJetStream_1280x720.mov

http://science.nasa.gov/headlines/y2009/28apr_grbsmash.htm?list773648