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Uncharted with Hannah Fry. 17. The Golden Spike. Audio, 16 minutesUncharted with Hannah Fry

Three minutes to the centre of the Earth. Video, 00:03:27Three minutes to the centre of the Earth

World's biggest iceberg spins in ocean trap

The famous explorer Ernest Shackleton and the shipwreck found on ocean floor

Can you imagine a year without a summer?

The Inquiry. What can the world’s biggest iceberg tell us? Audio, 23 minutesThe Inquiry

Isle of Wight-size iceberg breaks from Antarctica

Scientists probe the secrets of mega icebergs

Anthropocene unit of geological time is rejected

'Ice bumps' reveal history of Antarctic melting

Pioneering European satellite burns up over Pacific

Trillion-tonne iceberg A23a spins on the spot

Monster iceberg just under a trillion tonnes

Attenborough ship encounters mammoth iceberg

World's biggest iceberg on the move after 30 years

Astronaut who led Apollo 8 mission dies aged 95

West Antarctic ice shelf melt 'unavoidable'

UK space satellite maps heat at Earth's surface

Antarctic ice at 'mind-blowing' low alarms experts

Morocco earthquake movement mapped from space

Tonga volcano triggered seafloor debris stampede

Early blackberries sign of 'climate breakdown' Video, 00:01:48Early blackberries sign of 'climate breakdown'

Climate warning as tree temperatures 'critical'