Canadian diver Jill Heinerth became the first person to explore caves inside an iceberg in Antarctica alongside her former ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

A tourism brochure for New Zealand's Waitomo Caves from 1928 What’s waiting for ... Patagonia in Chile is perhaps best known in the UK for its Welsh-speaking community, established when 153 ...

As a child, Jill Heinerth used to be afraid of being alone in the dark. "I used to have to swallow a lump in my throat to go down the basement stairs because the light switch was at the bottom of ...

Cave divers are at the forefront of this research, helping us access some of the deepest and darkest subterranean and water-filled parts of our planet. Take a deep breath and dive below the surface ...

Three of Japan’s southern islands have earned UNESCO World Heritage status for their natural wonders — but they are also home ...

"He is brilliant with children, and he would have made sure that they were prepared in the best possible way from a cave-diving perspective," she said. "He would have been the perfect person to ...

A diver who helped rescue a group of boys from a flooded cave in Thailand has been honoured by the University of Huddersfield. Jason Mallinson brought four of the 12 boys to safety including the ...

The cave extends a quarter of a mile beneath the Earth ... Upon his return the next year, he found that an underwater collapse had cleared his way, and he was able to dive to a depth of 869 feet to ...

This story appears in the August 2010 issue of National Geographic magazine. We sink into Stargate, sweeping the void with our dive lights. Fifty feet from the surface looms a pale haze, less ...