Stephen Hawking WARNING: Aliens could DESTROY us if we find them STEPHEN Hawking warned in his final book we should be wary of contacting a more advanced life form from elsewhere in the universe as they could destroy our civilisation. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Life on Venus? SHOCK CLAIM: Aliens could be living in the CLOUDSTECH BLACKOUT: Scientists spark panic with row over whether magnetic poles will FLIPGlobal Health: Tick and Mosquito Infections Spreading Rapidly, C.D.C. FindsEND OF SEX? Babies to be genetically ENGINEERED in 20 yearsEta Aquariids meteor shower 2018: What is the best time to see the meteor shower?Trilobites: Gaia’s Map of 1.3 Billion Stars Makes for a Milky Way in a Bottle