SETI is an American project looking for radio signals from advanced extraterrestrial life. The letters stand for, “Search for Extra-Terrestrial Intelligence. Unlike UFOlogy SETI is hard science. Finding anything is difficult as scientists don’t know what to look for or where to look. Originally the United States government funded SETI but now private funds are used.


Some people are worried that SETI might harm us as aliens may be hostile if we contact them. Even passive listening could expose us to harmful alien computer viruses. Could they without understanding our computers? We do run the risk that hostile aliens could give us harmful information. Friendly aliens could advance us so enormously perhaps the risk is worth taking.

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