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

Hundreds of obsidian artifacts have revealed where the Aztecs acquired the volcanic glass they used for tools, ornamental pieces or religious objects centuries ago — and their vast trade ...

Hundreds of obsidian artifacts have revealed where the Aztecs acquired the volcanic glass they used for tools, ornamental pieces or religious objects centuries ago — and their vast trade ...

Archaeologists found that while the Mexica primarily used green obsidian, obsidian also came from at least seven other ...