At its peak in the 15th century, the Aztec Empire ruled over millions across central Mexico with a capital, Tenochtitlan, built on a lake and rivaling Europe's largest cities. Its mastery of ...

Egypt’s Pyramids of Giza were built to endure an eternity, but how remains one of the ancient world’s greatest mysteries. Here’s what archaeologists know. The Pyramids of Giza rise behind Egypt’s ...

For years, the mysterious signs found on the city’s murals were thought to be nothing more than decorative symbols. But now, scientists suggest they could be a form of early writing. Teotihuacan, once ...

Ever since humans began building, they’ve been building up. Throughout the millennia, our constructions have reached higher and higher into the sky, spurred by various motivations: religion, democracy ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...