You've heard of how mighty supernovas are, or of the ungodly amounts of energy released by gamma ray bursts. But astronomers have discovered a type of cosmic blast that puts all those to shame ...

The explosions those scientists have recorded, which happened when those black holes shredded and sucked up the fabric of those stars, are the largest since the big bang that created the universe.

Biggest boom since Big Bang: Astronomers uncover most energetic explosions in universe by University of Hawaii at Manoa edited by Stephanie Baum, reviewed by Robert Egan Editors' notes ...