If alien signals reached Earth, why haven't we seen them?
Mander - An instance dedicated to nature and science. [Unoffici…
February 17, 2026
submitted by Beep to space
7 points | 3 comments
https://news.epfl.ch/news/if-alien-signals-reached-earth-why-haven-t-we-seen/
> 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 should we realistically expect to detect today?
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