A 44-year study of Alaska's North Slope reveals how thawing permafrost is flushing ancient dissolved carbon into Arctic rivers and reshaping coastal ecosystems.
From Copenhagen to Nuuk, demonstrators rejected American acquisition plans. The protests signal how deeply the proposal has backfired diplomatically.
Greenland's party leaders firmly rejected President Trump's push for US control of the island. Here's why this matters more than it sounds.
European leaders are defending Greenland's sovereignty after Trump's comments. Here's what's actually happening and why it matters.
Scientists discovered that polar bear fur has natural de-icing properties rivaling the best ski equipment, thanks to an oily coating that repels ice at the molecular level.
