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Aliens almost certainly exist but humans should avoid making contact, Professor Stephen Hawking has warned.
In a series for the Discovery Channel the renowned astrophysicist said it was "perfectly rational" to assume intelligent life exists elsewhere.
But he warned that aliens might simply raid Earth for resources, then move on.
Originally posted by Maybe...maybe not
This has already been the subject of some recent extensive threads.
Originally posted by Faiol
we cant know if he is right or not, he is just giving his opinion, its not like he is stating a fact