The Gosfield seal is made of a medieval silver seal bezel surrounding an ancient Roman gemstone.

MEXICO CITY (AP) — Amid the constant blare of car horns in southern Mexico City, it's hard to imagine that Cuicuilco was once the heart of a thriving ancient civilization. Yet atop its circular ...

X-ray scans recover an ancient Greek star map beneath a medieval text, revealing Aquarius clues and Hipparchus-linked ...

Freshwater hidden beneath the calm surface of the Atlantic Ocean is forcing scientists to rethink what they know about Earth’s concealed resources. At first glance, the ocean above looks vast and ...

Scientists have uncovered what is believed to be a vast, hidden freshwater aquifer stretching along the US East Coast, from New Jersey to Maine, located deep beneath the Atlantic Ocean. This ...

In the hushed light of a museum gallery, Hallie Meredith discovered something intriguing about ancient Roman glasswork hiding in plain sight. It was February 2023, and the Washington State University ...

Tourists raise their arms at the Great Basement in the Cuicuilco Archaeological Zone during a tour organized by the National Institute of Anthropology and History in Mexico City on Oct. 5. The ...

Researchers in Athens use advanced geophysical techniques to uncover hidden tunnels and drainage systems beneath the Temple ...

Archaeologists are doing excavation work along the A66 ahead of plans to widen the road.

MEXICO CITY — Amid the constant blare of car horns in southern Mexico City, it’s hard to imagine that Cuicuilco was once the heart of a thriving ancient civilization. Yet atop its circular pyramid, ...