For centuries, the Seven Wonders of the Ancient World have stirred fascination. These legendary structures, once towering ...

Chua also visited the only remaining wonder of the ancient world, the Great Pyramid of Giza in Egypt. The other six wonders ...

Designated a UNESCO World Heritage Site in 1988 and later named one of the New Seven Wonders of the World, Chichén Itzá continues to break visitation records. While its significance and beauty ...

New clues from the day the dinosaurs died. A mysterious ancient human tooth. Primordial galaxies. See how the past year expanded our knowledge of the cosmos and our own backyard. Yale researchers ...