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

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Obsidian was central to Aztec life — not just for crafting sharp tools and sacred offerings, but as a reflection of political ...

Stone walls can be found here and there in other states, but only in New England are they nearly ubiquitous. That’s due to a regionally unique combination of hard crystalline bedrock, glacial soils ...

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Researchers analyzed 788 obsidian artifacts from Tenochtitlan, revealing that the Mexica (Aztec) Empire sourced this important material from at least eight different locations, including regions ...