Humans can understand a lot about the universe
However, if you looked at the universe and saw the scale of it, and realized we aren't even a spec on the visible universe, we are insignificant. To believe that we know everything is false. There is some aspects of it that we just can't know, one being the existence of God. It certainly feels like there has to be an architect. Why would God, out of the whole universe, pick us to worship him? A good question, no doubt.
The fermi paradox explains that there is other life in the universe, but we can't have any evidence, because they're light-years away, and as such, we have no proof of other life. Sure you could say that people have seen UFOs, but to a religious point, you could also say people have seen god, but of course, there us no proof. As a man of science, I assume you'd agree that there is extraterrestrial life, correct? Well then, if people see UFOs, claim to see them, and stuff like that, then why is it wrong when people say they had a miracle?
Don't take me the wrong way, I disagree with what a lot of the church has to say, and I believe in evolution, science, as well as theology