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Phoenix666 writes:

Since at least 2010, Hawking has spoken publicly about his fears that an advanced alien civilization would have no problem wiping out the human race the way a human might wipe out a colony of ants. At the media event announcing the new project, he noted that human beings have a terrible history of mistreating, and even massacring, other human cultures that are less technologically advanced — why would an alien civilization be any different?

And yet, it seems Hawking's desire to know if there is intelligent life elsewhere in the universe trumps his fears. Today (July 20), he was part of a public announcement for a new initiative called Breakthrough Listen, which organizers said will be the most powerful search ever initiated for signs of intelligent life elsewhere in the universe.
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  Jill Tarter, former director of the Center for SETI (Search for Extraterrestrial Intelligence) also has expressed opinions about alien civilizations that are in stark contrast to Hawking's.

"While Sir Stephen Hawking warned that alien life might try to conquer or colonize Earth, I respectfully disagree," Tarter said in a statement in 2012. "If aliens were to come here, it would be simply to explore. Considering the age of the universe, we probably wouldn't be their first extraterrestrial encounter, either.

"If aliens were able to visit Earth, that would mean they would have technological capabilities sophisticated enough not to need slaves, food or other planets," she added.

So, who's right, Jill Tarter, or Stephen Hawking? Will advanced aliens have no need of human popplers, or will survivors of the Centauran Human Harvest & BBQ of 2057 call this moment, "Pulling a Hawking?"

See also our earlier stories: Stephen Hawking and Yuri Milner Announce $100 Million "Breakthrough Listen" SETI Project and More Warnings of an AI Doomsday — This Time From Stephen Hawking.