MEXICO CITY – A pair of cave divers said Monday they have found subterranean passages in Mexico's Yucatan peninsula that constitute the world's longest underwater cave system. British cave diver Steve ...

The eastern Yucatán Peninsula study region is pierced by vast interconnected flooded tunnels, that function as underground rivers. The groundwater is the only source of potable water for the whole ...

Ancient Americans ventured deep into caves along a stretch of Mexico’s Yucatán Peninsula to mine a red pigment that could have had both practical and ritual uses, researchers say. Discoveries of ...

Researchers have discovered a methane-fueled ecosystem that feeds bacteria in the underground rivers and flooded caves of Mexico's Yucatan Peninsula. In these caves, which Mayan lore describes as a ...

Anthropology doctoral student Donald Slater has been awarded a $3,000 Mellon Dissertation Research grant and a $2,000 Sachar award for research abroad to develop his dissertation "At the Heart of the ...

Caves are the sunken pirate treasure of diving. They hide untold underwater secrets—wild stalactites and stalagmites, fossils, and otherworldly light shows. They also hold untold dangers, from tight ...

With help from an experienced underwater cave-diving team, Northwestern University researchers have constructed the most complete map to date of the microbial communities living in the submerged ...

MEXICO CITY (AP) — Activists in Mexico have published photos of steel and cement pilings from a government project that were driven directly through the roofs of sensitive limestone caves on the ...

Underwater caves have been described as one of Earth’s final unexplored frontiers. An international team recently delved into the flooded caves of the Yucatan Peninsula in Mexico and found methane and ...

Sixty feet beneath the jungle floor in Mexico's Yucatán Peninsula, inside a limestone cave filled with water, Tom Stotmeyer was at an impasse. How was he going to get his stout frame through a ...

MEXICO CITYMEXICO CITY — Activists in Mexico have published photos of steel and cement pilings from a government project that were driven directly through the roofs of sensitive limestone caves on the ...