Inside the ice cave, the temperature stays around 2 to 3 degrees, even in mid-summer. Long lines have formed by people seeking to enjoy the chilliness and cool lighting underground. The cave was ...

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.

Out of the ordinary mountaineering in Slovenia: Luca Vallata recalls the ascent, carried out together with Matteo Rivadossi and Andrea Tocchini, of one of the longest and most continuous ice climbs in ...

A lot of science can be gathered underground ... and stalactites that rise from cave floors and descend from the ceilings. In the same way that scientists use ice core samples taken from glaciers ...

Since underground caves are shielded from the merciless vacuum of space and the radiation of the sun, they could have water or ice, Bruzzone told the Australian Broadcasting Corporation.

But during the last ice age when sea levels were much lower, the caves were the high-and-dry habitat for a completely different group of animals. On one dive into a blue hole on Great Abaco Island ...

The Jimbo Cave, a renowned ice structure in Tierra del Fuego National Park, Argentina, has collapsed, leaving locals and nature enthusiasts mourning the loss of one of the region’s most ...