Advanced Aliens Could ‘conquer and colonise’ Our Planet, Warns Stephen Hawking Adan Posted on September 30, 2015 Posted in Aggregated No Comments Tagged with Science & Technology The world famous physicist has admitted that if aliens came to visit Earth, the outcome might not be a positive one. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email