The pyramids in and around Giza have presented a fascinating puzzle for millennia. How did ancient Egyptians move limestone blocks, some weighing more than a ton, without using wheels? Why were these ...

The Great Pyramid of Giza has been studied for centuries, yet new technology is still revealing features that earlier generations could not see. Now researchers say a 4,500-year-old structure on the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For years ...

Imagine the most exotic and ancient site known to humankind-what comes to mind? I'm guessing the pyramids of Egypt made the list. Not only are they the only sites on the lists of both the Ancient and ...