The Yellowstone Plateau Volcanic Field has some of the largest rhyolite lava flows on Earth. Have you ever wondered what ...

At a site known as Natural Trap Cave, a team of scientists are rappelling down to uncover the secrets of what the Earth was ...

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 ...

New research uncovers how obsidian artifacts reveal the vast trade networks of the Aztec Empire during Tenochtitlan’s early ...

China's Tianwen-2 asteroid sample return mission is set to launch this month, May 2025, en route to the asteroid Kamoʻoalewa ...

Although Mexicas favored green obsidian, tool variety shows that multiple obsidian sources supplied the capital via markets, ...

Stone tools and stone circles discovered in coastal Scotland show that prehistoric people settled farther north than anyone ...

The Yellowstone Plateau Volcanic Field has some of the largest rhyolite lava flows on Earth. Have you ever wondered what ...

A new study of Aztec obsidian artefacts has shed new light on the empire. But one object remains a mystery. Find out more.

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