The pyramids at Giza are usually described as the ultimate building project, millions of blocks stacked skyward by sheer human effort. A growing fringe of researchers and online theorists is now ...

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 ...

It was a real pyramid scheme. Scientists have proposed a groundbreaking new theory on how Egypt’s Great Pyramid was built, positing that they used a pulley and counterweight system to erect it so ...

The Great Pyramid of Giza—the largest of Egypt’s pyramids—consists of about 2.3 million limestone blocks. The smallest of these weigh two tons, while the largest weigh over 60. History says laborers ...