What proof is there that aliens do NOT exist?
First of all, it is difficult to prove that some things don’t exist. It is not logically or academically reasonable to expect someone to do that. There is one thing, though, which should stand as strong evidence that we have never been visited by aliens. SETI programs have been scanning the sky for two generations and accumulating an enormous amount of electromagnetic data. In all those years, not one single thread of intelligent data has ever been discovered. And this is with looking many light years across space at any given time and direction. The possibility that the heavens could be so silent while aliens are flying around right *here* at our planet, is inconsiderable. It would be like taking a blind person out and telling him he is standing on a sidewalk in the middle of Manhattan on a busy Monday morning when he hears nothing but the breeze blowing past his ears. “Where’s all the noise?” he would want to know. Standing somewhere and hearing only the breeze is a pretty darned goo
