It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an ...

Astronomers hunting for aliens find new way to work out when they would contact us - Work uses game theory to try and ...

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.