After receiving permission from a landowner, a group of explorers unlocked the entrance to a massive cave system stretching nearly six miles underground. The cave had been gated and rarely visited, ...

Deep in a cave near the town of Toirano in northern Italy, archaeologists have uncovered ancient human hand and footprints ...

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 ...