There are few frontiers in the world that can still be said to be unexplored. One of these terra incognita is the land beneath Antarctica’s ice sheets. Buried under kilometres of ice is a fascinating ...

Explorers didn't sight Antarctica until 1820. But that didn't stop centuries of imaginative geographers from boldly declaring its existence. Follow the course of Antarctic mapmaking, from ancient ...

World-class climbers in 10 teams battled to be the fastest up the wall during a head-to-head 180m-high ascent.