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 ...
The Daily Galaxy on MSN

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 ...

Did alien signals reach Earth? If they did, why have they gone undetected

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AOL

Aliens could be chatting with each other in plain sight using light flashes like fireflies ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, according to a new study that could lead to new approaches in finding ...
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 ...
WESA

'Alien' Signal Source Reportedly Located (It Wasn't The Vulcans)

If it were a phone call, we might call it a butt dial: A strong radio signal that set off questions about whether it emanated from an advanced alien race earlier this week is now believed to have come ...