Southern Ocean

Attenborough ship encounters mammoth iceberg

West Antarctic ice shelf melt 'unavoidable'

Surprising migrations of southern right whales. Video, 00:02:46Surprising migrations of southern right whales

Oceans' extreme depths measured in precise detail

Discovering over 100 new mountains under water. Audio, 00:01:53Discovering over 100 new mountains under water

‘Time is of the essence’ to save our oceans. Video, 00:02:05‘Time is of the essence’ to save our oceans

Life under Antarctic ice 'shouldn't be there' Video, 00:01:59Life under Antarctic ice 'shouldn't be there'

Climate activist finishes first ice sheet swim

Lava lake of ice and fire discovered

Antarctic protection after submarine trip. Video, 00:01:00Antarctic protection after submarine trip

Massive wave 'sets hemisphere record'

Expedition hopes for Shackleton bonus

'Heartbreak' over ocean race yachtsman. Video, 00:01:20'Heartbreak' over ocean race yachtsman

King penguins face warming challenge

Tree 'marks onset of Anthropocene Epoch' Audio, 00:08:13Tree 'marks onset of Anthropocene Epoch'

'Loneliest tree' records human epoch

New map traces Shackleton's footsteps

Larsen ice crack continues to open up

The Compass. Ocean Stories, Ocean Stories: The Arctic and Southern Oceans. Audio, 27 minutesThe Compass