What is the nature of the abundant accounts of unexplained aerial phenomena? Are they harbingers of advanced extraterrestrial engineering, math, and physics, beyond our standard model? Or is there a more prosaic, though no less significant explanation, ranging from military operations, unreliable witnesses, or confirmation bias? Is our government sharing all it knows? Or is there really anything ‘there’ there?

Beyond wanting to believe, do we have any evidence for our beliefs?