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, ...

Experience the incredible Mammoth Cave in Kentucky, officially the world’s longest cave system with over 426 miles explored. This historic tour highlights its vast underground passages, geological ...

After more than six months of preparation and 14 hours underground, a group of cavers has uncovered Australia's deepest known cave, at a depth of 401 metres. The new cave, dubbed "Delta Variant", is ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock Microbes surviving without any light in a New Mexico cave system are photosynthesizing using invisible light, ...

While exploring caves along a riverbank, a group followed a tunnel that quickly led deep underground. The passage opened into ...

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