Asteroid Bennu: How deadly is NASA’s killer asteroid threat heading for Earth? ASTEROID Bennu, a monstrous killer asteroid of cataclysmic proportions could one day slam into Earth, NASA’s top scientists have gravely warned. But how deadly would a collision with Bennu be? Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:END TIME: Earthquake Armageddon on November 17 triggered by Nibiru / Planet XEND TIME: Earthquake Armageddon on November 19 triggered by Nibiru / Planet XRobot who wants to ‘DESTROY humans’ has been given Saudi Arabia citizenshipRobot Armageddon? 'Demon' machines on verge of conquering ‘hallmark of human intelligence’Saudi Arabia puts $1BN into Richard Branson’s Virgin putting holidays to SPACE on horizonQ&A: The Stripes in a Cat’s Whiskers