Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have searched the skies for alien radio signals for more than 60 years, but all they’ve heard so far is what Search for ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...