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 ...
Yahoo

Aliens could be chatting with each other in plain sight using light flashes like fireflies, scientists say

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 ...

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

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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 ...
Yahoo

Astronomers detect first 'radio signal' from interstellar comet 3I/ATLAS — but it wasn't aliens

Astronomers have detected the first-ever "radio signal" coming from the interstellar comet 3I/ATLAS, right as it passed the halfway mark on its oneway trip through the solar system. And while this may ...
The Daily Galaxy on MSN

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

Fromradio waves to laser flashes and infrared heat signatures, the hunt for alien technosignatures has captivated both researchers and the public. However, despite the extensive efforts, no confirmed ...