This is a fascinating account account of the first recorded history of UFOs and abduction, by Puritan leader and prolific journal-keeper John Winthrop — leader of the Massachusetts Bay Colony.
https://www.foxnews.com/lifestyle/meet- ... n-winthrop
Go nearer to the end of the article to read the details of the UFO encounters and details concerning what was witnessed.
Were they perhaps demonic?
As for assertions that ancient aliens have long visited earth - well, that mythology has been well-debunked by Christian scholar Dr. Michael Heiser:
https://www.youtube.com/watch?v=a5dER45rkGk