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 ...
来自MSN

Alien-hunters crack cosmic code with new 'twinkle test' that spot real space signals

Boffins at the SETI (Search for Extraterrestrial Intelligence) Institute have found a new way to sort through the signals reaching us from space to find messages from aliens. By pointing their ...

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

Stay updated with the latest news on Times of India. Get all the trending City News, India News, Business News, and Sports ...
Knowridge Science Report

Why we may still be waiting for an alien signal

Since the first Search for Extraterrestrial Intelligence (SETI) experiment in 1960, scientists have been scanning the Milky ...
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 ...

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, they are more likely rare, scientists say ...