Thanks to data collected by satellites, scientists have a good understanding of Antarctica's icy surface, but what lies beneath has remained more of a mystery. In fact, more is known about the surface ...

Mikaela Shiffrin sees her 11th-place giant slalom at the Milan Cortina Olympics as proof she is back in the fight. The 30-year-old believes she took a step forward after a ...

Follow live text, BBC TV coverage, radio commentary, reaction and updates from the Winter Olympics in Milan-Cortina.