Answer:

Many religious persons, including many scientists, hold that God created the universe and the various processes driving physical and biological evolution and that these processes then resulted in the creation of galaxies, our solar system, and life on Earth.In the quantum realm, something really can emerge from nothing. In theory, the Schwinger effect states that in the presence of strong enough electric fields, (charged) particles and their antiparticle counterparts will be ripped from the quantum vacuum, empty space itself, to become real.

Explanation:

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Scientifically, universe is believer to be formed out of highly compressed and dense point called singularity due to an explosion called big bang, when it spitted out all the matter into the space.

The matter evolved to get its present form. I can also suggest a video based on this but it will give you the feeling of existential crisis. you may tell me if you want that.

In hinduism we say shiva (nothingness) was in a deep sleep when shakti approached and danced around to disturb his sleep and when he woke up he roared and spitted out the matter. also, he rored in the form of (Om) the word which represents peace and is associated very deeply with us

There arw many philosophies with their own theory but we can never know for sure the original existence because we can't witness it, and it will end the same way too one day.