Ancient Earth Mysteries

Is humanity the first creation of intelligent beings? Do similar human-type species exist throughout the cosmos? If so, have those species mastered technologies only to self-destruct in an unfortunate series of events? The Universe is unbelievably enormous, this is undisputed. It's extremely selfish to think we are the only existing intelligent life. Science and religion are on the verge of discovering the truth. Super ancient societies and their archaeological evidence uncovered to this da...