The oldest representational cave painting dates from about 30,000 ... into the stone and at others painted directly onto the cave wall. They were made at a time when Western Europe was dominated ...

wall of calcite known as the Great Wall of Vietnam, which cave explorers only managed to scale on their second visit to the cave in 2010. Finally, at the heart of Son Doong, the limestone ceiling ...

The divers would have wanted every piece of equipment as streamlined and as flexible as possible to navigate the uneven walls and bends of cave passages. However the mini-sub may be of future use ...

This bizarre Patagonian cave remains shrouded in mystery. Its walls exhibit three distinctive styles of cave art linked to a hunter-gatherer society that flourished in Argentine Patagonia around ...