We say a new-born baby is a miracle, and it is. To watch a new life happen is a heart-warming experience, and to know that you, as a parent, created that life is, as we used to say, "mind blowing". That inexplicable new spark of existence a miracle.
The fact that the universe exists at all, and is capable of supporting any life form is a miracle. Repeated many times over on just one planet.
Those are miracles I do believe in. I can believe in them without having to attribute them to a higher power, other than Nature herself.
TYWD