There's something deeply unsettling about discovering an object that simply has no business being where it is, or when it is.

An extraterrestrial misunderstanding led to a grave-robbing bonanza at the detriment of valuable Peruvian heritage.

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.