Focus
Yucatan Peninsula
Study: Dinosaurs Were Declining Long Before Asteroid Hit
Dinosaurs were in decline long before an asteroid strike polished them off about 66 million years ago.
12,000-Year-Old Skeleton in a Mexican Cave Helps Trace the First Americans
The discovery of a nearly complete fossil skeleton of a teenage girl in the Hoyo Negro submerged cave system in Mexico’s Yucatan Peninsula provides new insight into the first people to inhabit the Americas at the end of the last ice age.
