Smart aliens might live within 33000 light-years of Earth. A new study explains why we haven't found them yet.

Smart aliens might live within 33000 light-years of Earth. A new study explains why we haven't found them yet.  Business Insider If the Universe Is the Ocean, We've Only Searched for Aliens in a Hot Tub  Motherboard Scientists: Smartest aliens may live within 33 000 light years from Earth  The Koz Telegram Exoplanet– a planet that orbits another star  NASA Exoplanet Exploration and DiscoveryFull coverage

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