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Alien signals could have already reached us: Why haven’t we detected them?

For decades, scientists have been actively searching for signs of extraterrestrial life. Fromradio waves to laser flashes and ...
Knowridge Science Report

If aliens already called, why didn’t we hear?

For more than 60 years, scientists have been scanning the skies for signs of intelligent life beyond Earth. Using powerful telescopes, they have searched for unusual radio signals, brief laser flashes ...
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Aliens by 2075? Top scientist says it’s inevitable

Within the lifetimes of today’s teenagers, some of the world’s most respected researchers now say the discovery of alien life is not just possible but likely. The claim that we could confirm life ...