Cosmology is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today and on into the future. According to NASA (opens in new tab), the definition of cosmology is "the scientific study of the large scale properties of the universe as a whole."
The JWST data suggests galaxies are formed faster than we thought, but it does not mean that they necessarily contain elements that predate the Big Bang, or that our universe is not expanding.
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