Meet the "Underground Astronauts" Recovering Hominid Fossils

November 9, 2013—Meet the women described as "underground astronauts"—archaeologists tasked with squeezing into a narrow cave to recover what's believed to be early hominid bones. It's thought these bones could help shed more light on the origins of humans.

National Geographic Explorer-in-Residence Lee Berger is heading the Rising Star Expedition to retrieve the bones from a largely inaccessible cave in South Africa.