This ice cave was one stemming from the tongue of a glacier flowing from Mount Erebus, one of the most powerful volcanoes of ...

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 ...

Sandwiched between the freezing cold of Earth’s coldest continent and the warmth of its southernmost active volcano, the ...

The frigid, winter weather has provided the rare opportunity to step inside and explore stunning caves carved under the ice. Melting water from the glacier creates the twisting tunnels as it ...