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.

Exciting news: The A Sign in Space “alien” message has been decoded! But - what does the message mean? Daniela de Paulis’ project brought together international players such as ESA, the SETI Institute ...