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 networks ...

Across the globe, ancient artifacts continue to captivate and astonish people today. From mysterious objects that defy explanation to rare treasures that reveal unexpected glimpses into history, these ...

In 1958, an amateur archaeologist named John Cowles excavated the Cougar Mountain Cave in Oregon and retained many of the artifacts found there. Upon his death in the 1980s, these items were ...

Note: The following transcript was transcribed digitally and validated for accuracy, readability and formatting by an OPB volunteer. Dave Miller: This is Think Out Loud on OPB. I’m Dave Miller. Over ...