For decades, a sealed basement room sat untouched beneath an unremarkable building, its existence known to only a few and its contents to no one. When it was finally opened, investigators stepped into ...

In a quiet museum case, a Roman glass cup that had sat in plain sight for generations has yielded a secret message that was never meant for imperial eyes. The discovery of a tiny, hidden note ...

Astronomers have made a surprising discovery: a faint object nearly invisible is holding a collection of star clusters ...

Archaeologists in Croatia have reopened a 2,000-year-old hidden tunnel at the ancient city of Salona, revealing Roman amphitheatres.

High-resolution imaging conducted at USC reveals evidence of chronic pain, dental disease and possible surgical intervention in two ancient priests.

Even when Earth was locked in a global deep freeze, its climate may have kept moving. Ancient rocks reveal seasonal and decade scale cycles beneath the ice during Snowball Earth.

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, now ...

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 ...