The Arctic

The Arctic region of the Earth is defined roughly as the area above 66 degrees north latitude and is largely a vast ocean covered by sea-ice, though that ice is being affected by global warming. The Arctic also includes much of Greenland, which is covered by a massive ice sheet, as well as the frozen tundra of Europe, Asia and North America. It has distinctive plants and animals found only there, such as the polar bear and the Arctic fox. Read below for the latest news and research from and on the Arctic, its ice and the life it supports.
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Polar Bear Awes with Record-Breaking Dive
The male polar bear.
July 28th, 2015
Polar bears are known to be excellent swimmers, but new research suggests that they are also superb divers.
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Icy Earthquakes: Warming Planet Shakes Up Glaciers
June 25th, 2015
When large chunks of ice break off of a glacier and plop with a giant splash into the chilly water, the result can be lots of thunderous shaking.
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Arctic Sea Ice 'Thinning Dramatically,' Study Finds
Arctic Ice
March 4th, 2015
Arctic sea ice — the ice that freezes and floats on Arctic waters — is thinning at a steadier and faster rate than researchers previously thought, a new study finds.
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Colorful Arctic Animals Revealed in Thousands of Undersea Images
July 2nd, 2015
New photographs of deep-sea creatures could hold the key to helping predict climate change.
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Hunting on Land Can't Help a Hungry Polar Bear
polar bear
April 1st, 2015
Even though some polar bears are hunting on land more often in areas hit by shrinking Arctic sea ice, a diet of bird eggs and berries can't sustain these huge animals, a new study finds.
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Greenland's Hidden Ice Layers Revealed in New Map
Greenland 3D map
January 30th, 2015
Layer by layer, scientists have filled in the hidden expanse of Greenland's vast ice sheet, revealing where the island hides its oldest ice.
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Will Warming Surge as Arctic Microbes Feast on Defrosting Carbon?
Eriophorum root, carbon, global warming
January 13th, 2015
Scientists are racing against climate change to determine the impact of thawing Arctic soils and the carbon released during that process.
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Gallery: Never-Before-Seen Photos of Colorful Life on Arctic Seafloor
July 2nd, 2015
See the vibrant creatures who dwell on the Arctic Ocean seafloor.
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Snowy Owls' NYC Visit Reveals Migration Habits
March 11th, 2015
At least seven snowy owls have been spotted in New York City since December, and scientists are reaping the benefits. By tagging the owls, researchers have learned surprising things about the birds' feeding habits and ecology.
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New Lakes Discovered Under Greenland's Ice Hint at Warming
Greenland lake crater
January 21st, 2015
The discovery of two lakes hidden beneath the Greenland ice suggests that climate change cuts to the bottom of the ice sheet.
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