October 13, 2019

What To Do When the Aliens Call

“The answer to this question could affect all of our lives more than nearly any other policy decision out there: How, if it all, should humanity respond if we get a message from an alien civilization?

And yet politicians and scientists have never bothered to get our input on it.

At long last, that’s changing. A group of researchers in the UK this week released the first major survey on the question. The responses could help inform an international protocol for responding to first contact.

This is a big deal because, as Stephen Hawking and Elon Musk have warned, communicating with extraterrestrials could pose a catastrophic risk to humanity. In fact, if we send out a message and it’s received by less-than-friendly aliens, that could pose an existential threat not only to the human species but to every species on Earth.

Despite the high stakes, scientists have already sent out signals intended to be picked up by aliens. The first one went out in 1974, when the Arecibo radio telescope in Puerto Rico transmitted a broadcast containing information on everything from the position of Earth in our solar system to the double helix structure of DNA.”

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