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, ...

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 ...

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 question: if alien signals have already reached Earth without us noticing, what ...
来自MSN

Every Alien Species In Alien: Earth Explained

Warning! This article contains SPOILERS for Alien: Earth season 1.Alien: Earth centers around five alien lifeforms that crash-landed on Earth, and we have a wealth of information about the new creepy ...