Far below the surface of Mexico’s Yucatán Peninsula, a flooded labyrinth of limestone tunnels has quietly guarded one of the most haunting fossil troves of the Ice Age. In the darkness of a submerged ...

Divers in Mexico's Yucatan Peninsula say they have discovered the world's largest underwater cave. Underwater archaeologists discovered last week that the cave system known as Sac Actun, located near ...

A paleontologist snorkeling through an underwater Texas cave stumbled onto something nobody expected: fossils of giant tortoises, saber-tooth cats and armadillo relatives that had never been ...

Two University of Texas at Austin scientists snorkeling through an underwater cave in Comal County stumbled onto something unexpected — the fossilized remains of Ice Age animals that had been hidden ...

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.

Divers made an incredible discovery in Mexico’s underwater cave system. An 8,000-year-old skeleton found in a Mexican underwater cave is likely a ritual burial. Discovery aids understanding of early ...