Researchers had no idea how deep the hole went, or what was at the bottom.The ABC has been given exclusive access to ...
(Image credit: By Nadina, CC BY-SA 3.0, Link) A mysterious skull with a stalagmite growing out of its head is about 300,000 years old and neither human nor Neanderthal, a new study finds. The skull ...
Far below the surface of Mexico’s Yucatán Peninsula, a flooded labyrinth of limestone tunnels has quietly guarded one of the most haunting fossil troves of the Ice Age. In the darkness of a submerged ...