Could alien signals have already reached Earth undetected?

Could alien signals have already reached Earth undetected? - If advanced alien civilisations exist and have contacted Earth, ...

If alien signals have already reached Earth, why haven't we seen them?

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

This Man Says It’s Possible Our True Ancestors Are Aliens. Will the Mainstream Ever Believe Him?

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres ...
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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 ...