The theory that aliens assisted the builders of ancient monuments was popularised by Swiss author Erich von Däniken in his ...

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 ...

Is anybody out there? Probably. Most stars have planets; we've discovered more than 6,000 exoplanets thus far, and the most basic statistics point toward the existence of countless potentially ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...