At over eight inches long and nearly one and a half pounds, this obsidian piece is the largest artifact in the Fenn Cache. All told, the 56 artifacts in the cache weigh about 18 pounds ...

Hundreds of Mayan artifacts have been found underwater in a Guatemalan lake, according to the Daily Mail. Among the trove of ...

The scratches visible on the flaked base, or flute, of this obsidian ... or at the base of a cliff. Another story says he unearthed it during plowing, though none of the artifacts shows evidence ...

An obsidian blade found in Texas decades ago could shed new light on a Spanish expedition that set out in search of a fabled ...