This is hysteria. Anyone believe this crap is retarded. The juiceboxes who run the world aren't going to destroy the housing for their human atm machine/slaves.

It's not doctrinal but not opposed either, as it is irrelevant to Salvation. Whether the universe was created that way or not doesn't change the fact that God, if the BBT did in fact happen, was it's architect. The Church maintains that this is a possibility.

This used to be free, now I guess it has a sub, but you might be able to ask it a few questions before you reach limit. https://www.mastercatechism.com/

This is also a wealth of information on what's dogmatic and what isn't. https://www.newadvent.org/cathen/

But yeah, the catechism is the single source of truth on that stuff. Baltimore, Trent. Those two are the best. The doctrine doesn't change amongst catechisms only the writing style. I like those two the best.