Category:Ancient astronaut speculation
Here is a list of articles in the category Ancient astronaut speculation of the Unsolved portal.
This category is for articles related to various proposals that intelligent extraterrestrial beings have visited Earth and that this contact is linked to the origins or development of human cultures, technologies and/or religions.
This category has only the following subcategory.
Pages in category "Ancient astronaut speculation"
The following 29 pages are in this category, out of 29 total.