Add Yahoo as a preferred source to see more of our stories on Google. In the last year, the subject of little green (or gray) men has been discussed endlessly by high-profile television hosts and podcasters, including astrophysicist Neal deGrasse Tyson ...

Luna's cryptic posts follow months of heightened interest in the topic of UFOs, and what might be revealed.

For generations, human beings have wondered: What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us? It’s a question that can produce some, well, uncomfortable answers if you happen to be an earthling.