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

The story begins in 1906 with Reginald Aubrey Fessenden. On December 24 that year, he made the first known radio broadcast meant for a general audience. Instead of Morse code, listeners heard music ...

An amateur astronomer has accidentally uncovered a series of puzzling radio signals coming from SpaceX's government-operated "Starshield" network. The signals overlap with protected frequencies and ...

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