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

Sandwiched between the freezing cold of Earth’s coldest continent and the warmth of its southernmost active volcano, the caves beneath Antarctica’s Mount Erebus are an anomaly in more ways than one.

But during the last ice age when sea levels were much lower ... this boa species still lives on the island. The cave swallow (Petrochelidon fulva) is a small, stocky songbird that builds its ...