Scientist warns the world to ‘think twice before replying to alien signals from outer space’ Prison Planet.com Posted on July 23, 2015 Posted in Aggregated No Comments Tagged with Featured Stories, Tile London Independent | Professor Matthew Bailes said ‘the history of weak civilisations contacting more advanced civilisations is not a happy 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