With its brilliant hues of blue and green, turquoise was a highly prized gemstone to the ancient Aztecs and Mixtec in the region that stretches from central Mexico to Central America known as ...

New chemical analysis of Aztec turquoise artifacts suggests the stone didn’t come from the Southwestern US as archaeologists have long thought, which raises questions about the scale of long-distance ...

One man's artistic vision led him on a journey along the historic Silk Road to discover practical treasures hidden in plain sight. Vibrant turquoise blue tiles adorn Ulugh Beg Madrasah, Tillya-Kori ...