Add Yahoo as a preferred source to see more of our stories on Google. In a series of papers, astronomers have compared the "Wow!" signal to similar radio signals detected at Big Ear Observatory in ...

The search for alien life no longer feels like pure speculation. This video walks through the strongest signs ever put forward, from the Wow Signal to Martian fossil claims and other near-breakthrough ...

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 ...