Add Yahoo as a preferred source to see more of our stories on Google. In this handout photo provided by the National Institute of Anthropology and History, underwater archaeologist Octavio del Río ...

MEXICO CITY (AP) — 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, ...

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 this handout photo provided by the National Institute of Anthropology and History, underwater archaeologist Octavio del Río takes photos of the remains of a prehistoric human skeleton discovered ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. MEXICO CITY — A prehistoric skeleton has been found in an intricate underwater cave system along ...

Add Yahoo as a preferred source to see more of our stories on Google. A researcher is recovering after they were trapped inside one of the deepest known caves in Texas.