A mammoth black hole has been discovered fleeing its host galaxy at high speed, according to a controversial new study. The galactic eviction may be the result of a violent merger between two black holes. http://space.newscientist.com/article/dn13803-monster-black-hole-found-escaping-home-galaxy.html?DCMP=ILC-hmts&nsref=news2_head_dn13803