Add Yahoo as a preferred source to see more of our stories on Google. "If you found out we weren't alone, if someone showed you, proved it to you, would that frighten you?" the official logline reads.

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

The FBI files revealed alleged messages from ‘outer space people’ containing chilling warnings for humanity. The documents were part of the Trump administration’s latest UFO disclosure release on ...