Akenaton - I can't summarize the "Current religious/spiritual belief" (system) for you, because there are several billion individually unique varieties of it out there right now, along with several billion individually unique varieties of medical, political, cultural, ethnic, gender-based, economic, and every other kind of belief.

You'd have to deal with it one person (or perhaps one organization) at a time if you wish to take it on.

The number of beliefs (or assumptions) about life on other planets, for example, and possible Earthly visitations from some of those lifeforms is just one huge area of debate and inquiry into which one could delve, and easily spend the energies of an entire lifetime investigating.