Over the past 30 years, the Arctic has warmed more than any other place on the planet, and that warming and the resulting melt of the region's sea ice presents a number of potential adverse effects, from impacts on weather systems to the decline in the habitats of native species. Full story
Competitors suited up to run the North Pole Marathon over the frozen Arctic Sea in temperatures of 18 below. NBCNews.com's Dara Brown reports.
It may be time to retire the groundhog and start tracking Arctic sea ice for a better prediction of late-winter weather. Full story
Though every day brings more sunlight, February is still one of the coldest months in the Arctic. The sea ice in the Arctic Ocean is now nearing its winter maximum, but the effects of a February storm markedly illustrate the changes that have happened with the Arctic sea ice cover under the effects Full story
In the Arctic Ocean, algae is manna from heaven. Clumps of the aquatic life drop from the sea ice to the ocean floor below, occasionally feeding otherworldly creatures that live there, like sea cucumbers and brittle stars. Full story
"The Great Arctic Cyclone of August 2012" arose in Siberia on Aug. 2 and crossed the Arctic Ocean to Canada, lasting an unusually long 13 days. Since the storm, which was equal in strength to a hurricane, tore across the Arctic, scientists have wondered whether its winds and waves were a guilty part Full story
RNPS IMAGES OF THE YEAR 2012 - The crew of the U.S. Coast Guard Cutter Healy, in the midst of their ICESCAPE mission, retrieves supplies for some mid-mission fixes dropped by parachute from a C-130 in the Arctic Ocean in this July 12, 2011 NASA handout photo obtained by Reuters June 11, 2011. Scie
