If aliens do exist, what proof will we believe?
Unidentified Flying Objects: What is the single best proof of aliens existing?
What are some of the real life Alien Encounters (with proof)? Why should I believe in aliens? What is the most convincing evidence for extraterrestrial life/UFO's found on Earth? What if the asteroid that killed the dinosaurs was a UFO and we are the aliens? What if the asteroids that killed the dinosaurs was a UFO and we, the humans, are the aliens? What are aliens? Who has seen aliens? Why shouldn't we believe in aliens? Question That Contains Assumptions: Why would the U.S. government want to hide the fact that aliens exist? Why do people lie about aliens? Is it true we were really brought to earth by aliens? Do you believe in the theory of "Ancient Aliens"? If aliens were watching us right now, what would they think is the most illogical thing humans do? Is it true that aliens built the earth, as well as put humans on it, as an experiment? Did they? Or not? How would the world react to the discovery of aliens? There is show on history TV alien ancestor is it possible our gods are aliens? Are there any real cases of human encounter with alien? Which fictional aliens are the most evil and why? Did Einstein meet aliens as shown in history TV in Ancient Aliens? Is it true? How historically accurate is the evidence shown in "Ancient Aliens" from History Channel? Do you believe in what they say in Ancient Aliens? What do aliens look like? Are Paul Hellyer's claims about aliens true or not? Why are governments going to such length to hide aliens and UFOs? Why is it so believed that aliens (if they exist) will be smarter than us human beings? Is NASA hiding evidence of intelligent alien life? What do you think of the series Ancient Aliens? Despite all the CREDIBLE witness testimony & evidence to the contrary,why are NASA not admitting there is intelligent Alien life? Where can we hide if aliens attack the earth? What is your review of Ancient Aliens (TV series)?