A new analysis of hundreds of obsidian artifacts from the Aztec Empire has revealed the vast trade networks that supplied ...

The Aztec Empire may have ended centuries ago, but its presence is far from gone. It lingers in temple ruins, place names, ...

The discovery also sheds light on how the Aztec society evolved — introducing more standardized religion and control before the empire fell in 1520 — by showing how obsidian use changed over time.

The discovery also sheds light on how the Aztec society evolved — introducing more standardized religion and control before the empire fell in 1520 — by showing how obsidian use changed over ...