For nearly half a century scientists have searched the sky for radio signals that clearly originated with intelligent life on another planet. All they needed was a glimpse, just a whimper, proving that we are not alone in the universe.
But in all those years, despite the undaunted and sincere efforts of some of astronomy's leading minds, they have found nothing. Not even a hint that E.T. is out there.
In recent years scientists have suggested alternative ways of searching -- analyzing the...Full Story