Among the many mysteries surrounding the ancient Mexican metropolis of Teotihuacan, one has been especially hard to crack: how did its residents use the many signs and symbols found on its murals and ...

Turns out, ancient body art is a lot more common than we once thought—and can tell us a lot more about our ancestors than ...

A mapping expedition in the Tlayócoc cave in Mexico led a professional cave explorer to a hidden chamber containing shocking ...