World's largest iceberg breaks free, heads toward Southern Ocean
Shackleton ship model brought from Ukraine to Cornwall
Time-Lapse Video Reveals Patterns in Penguin Huddle
Australia rescues sick researcher from Antarctica
Speech Bubble: How Scientists Working in Antarctica Inadvertently Developed a New Accent
No quick fix to reverse Antarctic sea ice loss as warming intensifies - scientists
The women who run Antarctica's 'penguin post office'