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

On November 16, 1974, humans sent their first message to the stars in an attempt to contact extraterrestrials. They did this using what was then the largest radio telescope in the world, located at ...

Is there anybody out there? More than four decades ago, in 1974, astronomers beamed a message from humanity to any aliens in outer space who might be listening. Even in a best-case scenario, it hasn’t ...