The underwater caves of the Yucatán Peninsula are a window to the distant past. Through two million years and over multiple glaciation cycles, these caves have been transformed. When the sea ...

A postdoctoral research assistant at Texas A&M University-San Antonio, Calderon Gutierrez explores the underwater caves of Mexico’s Yucatán Peninsula and Cozumel Island to study the strange and ...

The Gran Acuifero Maya, (GAM) a project dedicated to the study and preservation of the subterranean waters of the Yucatan peninsula, said the 347 kilometre- (216 mile-) cave was identified after ...

The first face of the first Americans belongs to an unlucky teenage girl who fell to her death in a Yucatán cave some 12,000 to 13,000 years ago. Her bad luck is science’s good fortune.

One didn’t have to be Maya to feel awe. During the past couple of decades archaeologists have begun paying close attention to the role of caves, the zenith sun, and now—through de Anda ...

Cave divers take great risk exploring the underworld to reveal its secrets.

Often lauded as one of the best-kept secrets on the Yucatan Peninsula, Río Secreto (or Secret River) is an underground river and collection of caves. The bright turquoise water contrasts with the ...

Sistema Sac Actun (Mexico) – Located in the Yucatán Peninsula, it's one of the world’s longest underground rivers, connected to ancient Mayan cenotes. Lost River (USA – Indiana) – This river vanishes ...

imperiled cats and monkeys and underwater caves and rivers. “This Maya train construction is already harming the habitat of jaguars, ocelots, Yucatan spider monkeys and many other imperiled animals,” ...