he study of the universe is called Cosmology, it is the physical investigation of the universe from the earliest forms during the Big Bang to today. It is a combination of physics and astrophysics directed at understanding the nature of the universe.
The universe is something that is still a mystery to us, even after studying it for so long. Cosmology, the study of the universe, has been around as far back as the 16th century BCE when humans believe the Earth was flat and surrounded by stars.