We will never get beyond "that's neat and I can't explain" because there will always be liminal events. Your "it could be aliens" argument applies exactly as w

We will never get beyond "that's neat and I can't explain" because there will always be liminal events. Your "it could be aliens" argument applies exactly as well to fairies, angels, demons, demi-gods, wizards, Satan, time travelers, humans from other dimensions, etc. If you weight one of them more highly than the others, you should examine why. But the answer won't be in the evidence.