In the FAR distant future, we possibly will have the means of proving and/or disproving God's existence. We currently are not a 4th/5th dimensional species yet. But if we ever become one, we may be able to look all the way back to the Big Bang and possibly before that and see what was the catalyst. But by that point, would that not make us gods ourselves? If anything, god could be a biological or energy-based entity that is scientifically feasible to higher understanding, and we're the fools thinking it's in the realm of senseless magic and faith. An artist that made something, forgot to leave a signature and tossed it aside.