A greenish obsidian blade, believed to have been found on the Texas Panhandle, may be from the 16th-century expedition led by the Spanish explorer Francisco Vázquez de Coronado, a new study suggests.

Nearly 500 years ago, an expedition led by Spanish explorer Francisco Vasquez de Coronado trekked through the plains of New Mexico and Texas, searching for “a fabled city of gold.” Coronado was ...

An analysis of obsidian artifacts excavated during the 1960s at two prominent archaeological sites in southwestern Iran suggests that the networks Neolithic people formed in the region as they ...

An obsidian blade found in Texas decades ago could shed new light on a Spanish expedition that set out in search of a fabled "city of gold" during the mid-16th century. The unassuming artifact, which ...

The Aztec Empire once hosted an expansive trade network that brought volcanic glass to its capital from right across Mesoamerica, coast to coast. The largest compositional study of obsidian artifacts ...

An obsidian blade found at least 80 years ago turned out to be a nearly 500-year-old artifact left by explorers in the Texas Panhandle, a new study said. Photo from Southern Methodist University ...