There's something deeply unsettling about discovering an object that simply has no business being where it is, or when it is.

Recent discoveries have sparked a wave of excitement and intrigue among scientists and the public alike, as evidence suggests the existence of ancient non-human artifacts on Earth. These findings, if ...

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 ...

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 ...