A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Astronomers using the James Webb Space Telescope have uncovered a trove of complex organic molecules frozen in ice around a young star in a neighboring galaxy — including the first-ever detection of ...

Radio telescopes have long scanned quiet patches of sky for a lone, artificial-sounding ping, but a growing body of research ...

For decades, scientists have tried to turn the question of alien life from late-night speculation into something you can ...