Beneath Egypt’s oldest pyramids lies a hidden world of sealed tunnels, massive granite structures, and materials that seem far beyond what history claims was possible. From 80 tons of missing crystal ...

Claims that a “world’s oldest pyramid” has been found in Indonesia have raced around social media, promising a 25,000-year monument that would rewrite everything we think we know about civilization.

The pyramid is deemed the oldest stone structure of its size in the world. CAIRO -- Egypt's oldest pyramid, rescued from collapse, reopened to visitors Thursday after a 14-year restoration project. A ...