Why does something exist, rather than nothing?

Good question.

The simple answer is saying God made the Universe. But you hit a brick wall in wondering where God came from. Then there's the big bang. It also hits the same brick wall. So either way you hit the same brick wall.

And even if scientists can trace back before the big bang, it's just going to leave yet another question. Add another dimension to the equation, or a parallel Universe that the big bang energy came from, or anything of that nature, and you've still got the same brick wall.

We're already up to 10 different dimensions in string theory and the more we know the stranger it gets. The "theory of everything" is the Holy Grail in particle physics which would actually explain gravity, particles, magnetics, etc. not just study how they work. Even the "theory of everything" will still leave a brick wall.

It doesn't make any logical sense. Logic should dictate there never should have been a universe, a god, anything. Not even an empty universe. Yet, obviously, that's not the case.

Well, that's an interesting conundrum. We know that something does exist, because here we are. Why? There's hundreds of years of philosophy behind that question, and at least a few pretty good answers. I think you need to decide for yourself. Chance? The laws of nature? Somebody said, "Let there be light" and it went on from there?

Keep in mind that an idea has existence, too. So you could say that God exists even if only as an idea.

Wow that is a surprisingly deep existential question. This is a question that has been asked for thousands of years and there is no definite answer,it is all speculation. Throughout mankind philosophers,scientists,clergy men and many others have pondered this.

Nobody knows why anything exists as opposed to nothingness and for us to pretend to know is not only ignorant but arrogant. Somethings are greater then us,somethings are beyond our understanding. Im sorry i do not have a more concrete answer for you. I wish i knew how to answer this for myself as well as for you.

But if god exists then he can be something and nothing at the same time. God can transcend paradox.

Oh so the theists insist on telling me.

That's a good question but no one has a good answer. I think there's a bigger God than 'our' God and a bigger God than that and so on.

Because all of creation serves the purposes and plans of an all-powerful and all-loving God.

God exists because he is eternal

everything physical will cease to exist eventually.

In the universes where nothing exists, no one is asking this question.

such neat tricks this god all or nothing at the same time wow! the mind boggles.

That's simple: Because it does.