Do not talk to aliens

THE aliens are out there and Earth had better watch out, at least according to Stephen Hawking. He has suggested that extraterrestrials are almost certain to exist -- but that instead of seeking them out, humanity should be doing all it that can to avoid any contact.The suggestions come in a new documentary series in which Hawking, one of the world's leading scientists, will set out his latest thinking on some of the universe's greatest mysteries.Alien life, he will suggest, is almost certain to exist in many other parts of the universe: not just in planets, but perhaps in the centre of stars or even floating in interplanetary space.

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