It is from Crash Course Big History. It is 12 minute and 45 second . Here is the context:
As far as we have come in the past century in crafting a history of the universe, there still many things cosmologists have yet to discover.
Besides as far as, I cannot get whar the first part of the sentence means. What does come in crafting mean? Could you please rephrase the first part of the sentence for me.