Add Yahoo as a preferred source to see more of our stories on Google. The night before Halloween 1938, 87 years ago, a radio broadcast by filmmaker and actor Orson Welles sent shockwaves through the ...

A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before they reach us.

Scientists hunting for radio signals from any form of advanced extraterrestrial life that might be out there trying to contact us are now starting to wonder if something has been messing with their ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Scientists have searched the skies for alien radio signals for more than 60 years, but all ...