The Grand Gallery inside the Great Pyramid has long been treated as a ceremonial passage, but its unusual design tells a more practical story. Grooves cut into the walls, evenly spaced slots along the ...

The 6 million-ton Great Pyramid of Giza is the last surviving wonder of the ancient world. How did the Egyptians engineer the mighty pharaoh Khufu’s tomb so precisely, with none of today’s surveying ...

For thousands of years, archaeologists and grave robbers have searched every nook and cranny of the Great Pyramid, second-to-last resting place of the ancient Egyptian ruler Khufu — but the ancient ...

The Great Pyramid of Giza stood as the tallest structure on Earth for nearly 4,000 years—and we still don’t know exactly how it was built. With 2.3 million stone blocks, some weighing up to 50 tons, ...

Ancient Egyptians built the spectacular Giza pyramids in what is now a desert landscape. How they hauled the tons-heavy building blocks to the pyramids has long been a mystery. By tracking ancient ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...