Ox Bel Ha, located beneath Mexico’s Yucatán Peninsula, has officially reclaimed its title as the longest underwater cave system in the world, stretching an astonishing 524 kilometers. This submerged ...

Deep beneath the rolling hills of New Zealand’s North Island, a long-sealed chamber has opened a window into a world that ...

Mammoth Cave National Park, home to the world’s longest known cave system, stretches for more than 680 kilometres, and counting, into the Earth. What began as a limestone labyrinth has turned out to ...

Pithoragarh: A previously \"undocumented\" cave has been discovered on the banks of the Jakula river near Kviti village, around 80 km from Uttarakhand's.