The Great Pyramid has always invited audacious explanations, from alien architects to supernatural levitation. Now a cluster of new engineering studies is pushing aside the fringe ideas and replacing ...

The belief that the pyramids were not built by human hands has fascinated conspiracy theorists for decades. No one promoted that idea more persistently than Swiss author Erich von Däniken, often ...

Elon Musk may think aliens built the Great Pyramids; usually, here’s the point where we might say something about 2020 being the most bizarre year on record, but since you already know that — let’s ...

From the Egyptian pyramids to the Nasca (Nazca) Lines, these ancient sites are some of the most enigmatic constructions on Earth. The sun sets behind Easter Island's monolithic statues. Relics like ...