What if the reason we haven't found aliens is due to a cosmic barrier? Explore the Great Filter theory and its implications for humanity. #SpaceFacts #GreatFilter #Astrobiology #CosmicMysteries Source

Brian Cox explains The Great Filter in One Minute Subscribe to Science Time: https://www.youtube.com/sciencetime24 #science #aliens #space Source

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Where are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient super intelligence? Or are we just to primitive to understand their motives? Whatever the answer is, it is incredibly important for our own ...

TheFermi Paradox: Where is everyone? It’s become a legend of the space age. The brilliant physicist Enrico Fermi, during a lunchtime conversation at Los Alamos National Laboratory in 1950, is supposed to have posed a conundrum for proponents of the existence of extraterrestrial civilizations. ...