A popular concept in science fiction is uncovering ancient alien artifacts, but if we encounter these extraterrestrial relics in the future, how should we investigate them and what might they reveal?

Erich von Däniken, the Swiss author whose bestselling theories on the extraterrestrial origins of ancient civilisations brought him widespread fame among paranormal enthusiasts and considerable scorn ...

Erich von Däniken proposed that monumental structures such as the pyramids could have been built with help from aliens. Stefan Baumann Could ancient humans really have built the pyramids without ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself? The idea that aliens assisted the ...