Along with underground adventures, Mammoth Cave National Park in Kentucky offers great hiking and kayaking, too.

In the brutal world of deep caves, bacteria live in a miniature world of terror. The weapons they have evolved can defeat antibiotics – but now they are inspiring powerful new drugs.

Learn more about the ancient life that used to inhabit Mammoth Cave, and how the cave conditions were just right to help ...

The longest known underwater cave in the world is even longer than we thought. As of the start of this year, cave divers have mapped 524 kilometers (325.6 miles) of a subterranean water 'web' near ...

Divers in Mexico's Yucatan Peninsula say they have discovered the world's largest underwater cave. Underwater archaeologists discovered last week that the cave system known as Sac Actun, located near ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The Tentative Lists of States Parties are published by the World Heritage Centre at its website and/or in working documents in order to ensure transparency, access to information and to facilitate ...