Extraordinary claims regarding unidentified anomalous phenomena have re-ignited global interest in extraterrestrial life after declassified FBI and Pentagon files revealed a bizarre military encounter ...

Add Yahoo as a preferred source to see more of our stories on Google. The great physicist Enrico Fermi first posed the challenging question over half a century ago, wondering why we appear to be alone ...

Humans have created countless inventions that shape our lives in amazing ways. Some are practical, some are revolutionary, and some are simply fascinating. But if aliens suddenly appeared, which ...