The world's frozen oceans keep the planet cool, but they currently have less ice than ever recorded before.

The Hoff crab's nickname comes from its hairy chest, prompting comparisons with the Baywatch star.

Differences in seawater colour could reveal how tiny Antarctic creatures are faring in a warming world.

More than twice the size of greater London, the expanse of ice is unpredictable and dangerous.

"You realise how small you are," says Cat Burford after completing the expedition.

What is probably the world's oldest ice, dating back 1.2m years ago, has been dug out from deep within Antarctica.

Jonny Huntington, from Kingsbridge, Devon, arrived at the South Pole within 46 days.

Jordan Wylie says he will begin his Antarctic quest in December after nearly a year of training.