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 ...

MEXICO CITY — A prehistoric skeleton has been found in an intricate underwater cave system along Mexico’s Caribbean coast, an area that flooded at the end of the last ice age 8,000 years ago, ...

In the brutal world of deep caves, bacteria live in a miniature world of terror. The weapons they have evolved can defeat antibiotics – but now they are inspiring powerful new drugs.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. MEXICO CITY (AP) — A prehistoric human ...

The Mexican tetra lives in freshwater streams and pools from Mexico up into the southern United States. But these fish also live in cave systems in at least 29 separate places in Mexico, where they ...

Reports of looting led archaeologists to explore an easily overlooked cave in northern Mexico. Eventually, the team found several 500-year-old burials in a hard-to-reach chamber of the cave. Mexico’s ...

Tourists swim in a cenote, or flooded cave, outside Playa del Carmen, Mexico. The Yucatan Peninsula is dotted with thousands of these interconnected limestone caves, which are fed by a ...

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 ...