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Brian May to broadcast unreleased Queen track that ‘no one has ever heard’
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Conservationists working to tackle rising risk of polar bear encounters
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Two polar bears kill Canadian worker
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Polar bears’ personalities start to show after move to Staffordshire park
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Alaskan pet survives incredible journey on sea ice
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Polar bear kills woman and boy after chasing villagers in Alaska
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Fundraising appeal for wildlife bear book is a hit with animal lovers
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Yorkshire park becomes second largest polar bear centre in the world
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Britain's oldest polar bear dies in Yorkshire after sudden illness
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Polar bears on Russian island may be 'sedated and hauled away'
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Polar bear shot dead after attacking cruise tourists' security guard
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Father killed by polar bear while trying to protect his children
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UK's first polar bear for 25 years is a boy
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Adorable pictures show Britain's only polar bear cub learning to swim
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First UK baby polar bear in 25 years ventures outside in cute clip
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Adorable video shows first polar bear cub born in Britain for 25 years
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First polar bear cub born in UK for 25 years ventures out in the snow
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