Ox Bel Ha, located beneath Mexico’s Yucatán Peninsula, has officially reclaimed its title as the longest underwater cave system in the world, stretching an astonishing 524 kilometers. This submerged ...

Divers working inside a flooded cave system near Tulum, Mexico, recovered an approximately 8,000-year-old human skeleton from ...

Archaeologists who have been exploring the world’s largest underwater cave — recently discovered in Mexico — presented their findings Monday, including fossils of giant sloths and an elaborate shrine ...

A skeleton beleived to date from 16-17th century and discovered during the Crossrail excavations at Liverpool Street is seen in the Dockland Museum's 'Tunnel' exhibition in London on February 8, 2017.

AKTUN TUYUL CAVE SYSTEM, Mexico — Mexico’s outgoing leader has rapidly built a train system looping around the country’s southern Yucatan Peninsula. President Andrés Manuel López Obrador promised the ...

In the late 1950s, archaeologists discovered a cave in the Rio Zape Valley of Mexico. There were ancient human remains in the cave dated to between 660 and 1430 A.D., many of which belonged to ...

MEXICO CITY (Reuters) - Archaeologists exploring the word's biggest flooded cave in Mexico have discovered ancient human remains at least 9,000 years old and the bones of animals who roamed the earth ...