polar expeditions

View individual artefacts on the deck of the sunken Antarctic ship HMS Endurance

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Editor’s note: A version of this story appeared in CNN’s science newsletter Wonder Theory. To receive it in your inbox, register here for free. Earth’s icy extremes have long lured explorers with the promise of uncharted territory. The challenges of reaching such unforgiving destinations created excitement in the 19th and early 20th centuries, with expeditions … Read more

I witnessed polar bears being killed in the Arctic, but seeing carefree walruses was the real highlight

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Keep with me: the mother polar bear on the hunt in Spitsbergen, near Norway – Rebecca Badger I reached for the marmalade as bear ecologist Chris Morgan shadowed the doorway. ‘Cheer up, everyone. There is a bear and two cubs on the ice.” The dining room emptied. Seven layers of clothing and three minutes later … Read more