The whole UFO-alien theory is undermined by the simple observation that a UFO doesn't necessarily imply aliens. — TheMadFool
The evidence for UFOs seems quite strong. The evidence of aliens seems quite weak — Nuke
As for the second sentence, what about us? — TheMadFool
My highly speculative crackpot theory for which I have no proof whatsoever :-) is that the "aliens" are future human archaeologists. Time travel seems no more speculative to me than inter-stellar travel, so hey, why not? Well, because I have no proof whatsoever, that's why not. :-) — Nuke
Perhaps the most persuasive evidence for UFOs is the sheer number of reports from credible witnesses. Credible witnesses include folks like airline pilots, military pilots, radar operators, astronauts, nuclear weapons launch officers, police, Jimmy Carter :-) and so on. — Nuke
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