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May 15, 2022

Humanity Will Need to Survive About 400,000 Years if We Want any Chance of Hearing From an Alien Civilization

Posted by in categories: alien life, existential risks

Can humanity last another 400,000 years? We might have to if we want to talk to another technological civilization.


If there are so many galaxies, stars, and planets, where are all the aliens, and why haven’t we heard from them? Those are the simple questions at the heart of the Fermi Paradox. In a new paper, a pair of researchers ask the next obvious question: how long will we have to survive to hear from another alien civilization?

Their answer? 400,000 years.

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