Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

Thomas Mulligan examines the potential for catastrophic consequences should humanity encounter communications from advanced ...

The actor left social media users scratching their heads after teasing an apparent encounter through a string of cryptic ...

After decades of sending radio signals into space, humanity finally receives a reply—but it's nothing like anyone expected.

Are aliens real? Was Fox Mulder right all along? We examine the prediction markets to gauge if the U.S. government will confirm that aliens exist before January 2029. The prediction market on a U.S.