B eneath the Earth’s surface lies a world so extreme and isolated that it seems more like an alien planet than part of our own. Veryovkina Cave, the deepest known cave on Earth, plunges a ...

Our drive to understand the evolutionary history of life on Earth leads us to search for clues ... subterranean and water-filled parts of our planet. Take a deep breath and dive below the surface with ...

A true “space” adventure, although here on our old planet Earth. The “Crystals Cave” Project The aim of the three year project is to carry out a multidisciplinary research on the cave aimed at ...

Elsewhere far below the Earth’s surface ... its limestone is riddled with some of the planet’s most extensive cave systems. “Of course, when I got started, we didn’t have kit like this ...

With high carbon dioxide, low oxygen and no photosynthesis, here’s how an entire ecosystem persists in Movile Cave, one of the most extreme environments on Earth.

A tourism brochure for New Zealand's Waitomo Caves from 1928 What’s waiting for us within the mysterious depths of a cave? It’s been the stuff of legend and campfire stories for centuries.

The Extremes crew had trekked for two days through steep valleys covered in lush jungle to reach Hang son Doong cave. Set deep inside ... around 200 metres beneath the Earth’s surface.