I hate it when Jeebus's army comes out to prove their magic sky god is real with the following argument:
Moronic Theist: Oh yEAh? WEll hOw did wE get herE, huH? SOmeThinG cain'T cOMe frOM NOThinG!
Rockstar: True. "Nothing" exists only in The NeverEnding Story.
You see, there never was "nothing". Time and space are constant; without one the other can't exist. And if you don't think time and space are constants in the universe, please submit your research for the next Nobel Prize. Since time and space began at the same time, and dictate the rules of the universe as we know it, your sky god/gods are no longer necessary in the equation.
There has always been "something" - the universe. If there was a thing that lay outside the laws of physics that existed prior to time, like your sky god/gods, then she/he/it/they/spaghetti can't be proven by science.
Unable to be proven by science = no observable effects.
Does anyone know what the only thing in science that has no observable effects is? That's right!
(P.S. - So I'm doing a Google image search for "god"...)