Polar bears live in the Arctic Circle.
(Image credit: SeppFriedhuber via Getty Images)
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Steps of First Native Americas Traced From the ArcticA genetic analysis of tribal human groups show how Native Americans made their way from Russia.
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Arctic Seas Surprisingly Alive in WinterEven in the cold and dark of winter, life hums away, researchers say.
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Icebreaker Ships Wrap Up Arctic Shelf-MappingMapping continental shelf establishes nation's claim to natural resources.
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Dramatic Images of Arctic Camera TrapsCheck out these amazing camera trap photos coming from Arctic Alaska.
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Earth's First Arctic Ozone Hole RecordedThe South Pole is not the only pole to have its own ozone hole now, scientists report.
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In Images: NASA's Mission to Arctic FrontierSecond leg of voyage to study changing waters of the Arctic Ocean.
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Arctic Landscape Anything But BoringMelt ponds add variation to stretches of sea ice.
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Expedition Sets Sail to Plumb Arctic DepthsUpdated charts needed as sea ice loss drives increase in ship traffic.
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Largest Arctic Iceberg in 50 Years Spotted Off CanadaIceberg has traveled nearly 2,000 miles in Arctic waters.
