Archaeologist Ivan Šprajc has spent nearly 30 years uncovering long-lost cities buried deep in Mexico's Yucatán Peninsula. His latest discovery is capturing the world's attention.

Exploration of Balamku (Cave of the Jaguar God) reveals ancient religious practices—and may hold clues to the rise and fall of the Maya empire. By Gena Steffens.

The world's largest underwater cave was just discovered in Mexico. Inside, researchers found ancient artifacts and the bones of extinct creatures. By Erik Olsen.

By studying hills that formed after an asteroid struck the Yucatán Peninsula, researchers found that materials deep in Earth’s crust were brought toward the surface. By Nicholas St. Fleur.