The researchers who scan the skies for radio signals from extraterrestrials are now rethinking their approach.

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

SETI scientists have detected signals that don’t behave like anything found in nature — narrowband, repeating, and drifting as if something is moving fast. Could these be side effects of alien ...

Recent research suggests that galaxies with high radio emissions—known as “radio-bright” galaxies—could be home to alien civilizations. This idea, explored in Brian C. Lacki’s study Artificial ...