With respect to what created the universe, the question what came before that doesn't have a satisfactory answer as it leads to an infinite regression of what came before that.
So the only solution to the first cause conundrum of what came before that is "no thing" because only a "no thing" can...
cosmic background radiation
energy
first law of thermodynamics
friedmann's solutions to einstein's field equation
matter
quantummechanics
red shift
second law of thermodynamics
space and time
universe
Does the creation of space and time qualify as a miracle?
Approximately 14 billion years ago all of the matter and energy in the universe popped into existence out of nothing and occupied the space of 1 billionth of 1 trillionth the size of a single atom and then began to expand and cool.
If the universe is expanding then it must have a beginning. If you follow it backwards in time, then any object must come to a boundary of space time. You cannot continue that history indefinitely. This is still true even if a universe has periods of contraction. It still has to have a beginning...