As an Atheist, I'm more than willing to accept there is a god (or gods) if any rational proof can be exhibited (I've yet to see it).
I'm not going to tell you what to believe, but what proof do you have of The Big Bang? And what was around prior to The Big Bang? What matter/energy Big Banged? (laws of conservation of matter/energy should be respected, no?)
Shouldn't you apply the same standard to science that you do to the bible?
As for me personally, I don't put a lot of stock in the literal word of the bible (i.e. universe was created in 7 days, like 6000 years ago... Not buyin' that). But listening to cosmologists sounds a lot like listening to preachers, to my ears anyway. It doesn't take long for the cosmologist to arrive at "our human brains can't comprehend this". Fascinating research, though!