Yeah, english version of the story says angels. Other versions translate to something like "Those from the heavens"
Angels = Aliens
Aliens = Angels
Fallen Angels = Demons = Aliens
Messengers of god = Angels = Aliens
False Gods = Demons = Aliens
God = The origin of all life, intelligence, energy
Wait a second, you think God came here and wrote the Bible and handed to somebody and said "KEEP IT SECRET, KEEP IT SAFE" Gandalf Voice
Some actual Biblical Scholarship might help you out. Read the Apocrypha and Enochian Books
Also read about council of nicea, KJV and Geneva bible.
Learned about this in theology class.
Some think the Book Of Thomas is Q source
http://www.sacred-texts.com/chr/thomas.htm
https://en.wikipedia.org/wiki/Q_source