Explore ancient mysteries and theories about alien involvement in ancient civilizations, from the Nazca lines to Puma Punku.

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

The series will, as always, takes a look at the many ways it is possible that human development comes from a sect of magical aliens. Each episode of “Ancient Aliens: Origins” seeks to revisit the ...