Current observations show the big bang is likely correct.
The universe is expanding. There would be no reason if it is expanding by itself.
It's been coming under fire lately, some are saying it couldn't even have been possible. It's only a theory, I don't think we'll ever know how the universe was created.
There are massive holes in the big bang theory.
The earth is literally 6000 years old. Dinosaurs never existed. It was all created in 7 days.