A huge ancient Mayan city that may have housed between 30,000 and 50,000 people at its peak between 750 and 850 AD was ...

(AP Video: Stephen Smith) NEW ORLEANS (AP) — Archaeologists using laser-sensing technology have detected what may be an ancient Mayan city cloaked by jungle in ... survey originally carried out to ...

The lush jungles of Mexico have revealed a hidden marvel: an ancient Maya city sprawling under centuries of dense growth. Discovered in the southeastern state of Campeche and dubbed "Valeriana," the ...

Archaeologists have discovered the lost Mayan city 'Valeriana' deep in Mexico's Campeche jungle, revealing a dense urban ...

Archeologists in Mexico have discovered a huge, lost Mayan city, which they named Valeriana, hidden deep in the southern ...

Researchers in the United States and Mexico have spotted an extensive Maya city under what is now the ... Alianza M-REDD+ (Reducing Emissions from Deforestation and Degradation in Mexico) had ...

Archeologists in Mexico have discovered a huge, lost Mayan city ... emissions from deforestation and degradation. “We argue that the Alianza data demonstrate a range of ancient settlement ...

NEW ORLEANS — Archaeologists using laser-sensing technology have detected what may be an ancient Mayan city cloaked by jungle ... carried out to measures deforestation. While reexamining the ...

NEW ORLEANS (AP) — Archaeologists using laser-sensing technology have detected what may be an ancient Mayan city cloaked by ... carried out to measures deforestation. While re-examining the ...