2016’s warm winter meant not enough snow for the start of the Iditarod sled dog race in Anchorage, so it was brought by train from 360 miles north.
For everyone from traditional hunters to the military, the National Park Service to the oil industry, climate change is the new reality in Alaska. Government, residents and businesses are all trying to adapt.
Animals in the western Arctic have higher levels of mercury in their bodies than those in the eastern Arctic.
A new study demystifies regional differences in mercury levels in marine animals in the Canadian Arctic.
The Canadian Coast Guard icebreaker Louis S. St-Laurent sails past a iceberg in Lancaster Sound in 2008.
THE CANADIAN PRESS/Jonathan Hayward
New shipping opportunities are opening up in the Arctic as sea ice continues to recede. But travel is still dangerous and the region isn't equipped to deal with more vessel traffic.
Since 2005, the Barents Sea has become too warm for sea ice to exist south of the Polar Front.
A different kind of international dialogue.
Kyle Glenn on Unsplash
A flavor of diplomacy that focuses on science cuts through political differences and finds new ways for nations to work together.
A 20-year-old experiment is testing whether filling the Arctic tundra with animals could keep carbon trapped in the ground.
Canadian Lt. Gen. Pierre St-Amand is seen on Parliament Hill in September 2017 where he appeared as a witness at a House of Commons national defence committee. The deputy commander of NORAD said North American defence needs to evolve to meet modern threats.
THE CANADIAN PRESS/Sean Kilpatrick
NORAD is celebrating its 60th anniversary this May. New challenges face Canada and the U.S. now and in the coming years. How will NORAD evolve?
Sunrise at noon in the Arctic. Little exposure to sun was a piece of the genetic puzzle.
Bering Land Bridge National Preserve
Why was one gene mutation that affects hair, teeth, sweat glands and breasts ubiquitous among ice age Arctic people? New research points to the advantage it provided for ancestors of Native Americans.
Scientists on Arctic sea ice in the Chukchi Sea, surrounded by melt ponds, July 4, 2010.
Climate change is transforming the Arctic, with impacts on the rest of the planet. A geographer explains why he once doubted that human actions were causing such shifts, and what changed his mind.
The captain of a Finnish icebreaker looks out from the bridge as it sails into floating sea ice on the Victoria Strait while traversing the Northwest Passage in the Canadian Arctic Archipelago in July 2017. The waterways of the Arctic are of particular interest to non-Arctic jurisdictions like China and the European Union.
(AP Photo/David Goldman)
The recent Arctic Council meeting in Finland shows there's still avid interest in developing the Arctic. Some are arguing the entire region should be considered a 'global commons.'
Chinese President Xi Jinping waves as he leaves a welcome ceremony at the Great Hall of the People in Beijing recently.
(AP Photo/Mark Schiefelbein)
Canada has reportedly committed more than $1 billion to a Chinese investment bank. Is Canada unwittingly serving as a 'useful idiot' in Xi Jinping's grand plans to restore China's lost greatness?
The tale of the snow crab bears witness to the how the complexities of climate change and fights over fishing rights play out.
A large female Greenland shark observed near the community of Arctic Bay, Nunavut.
Using baited cameras scientists have captured some of the first underwater video footage of the elusive Greenland shark.
The vantage point from the Chinese icebreaker Xue Long in the Arctic in 2010.
(Timo Palo, Creative Commons)
With all eyes on China's intentions in the Arctic, Singapore is flying under the radar. But the tiny Asian nation is also pursuing its own interests in the Arctic.
A polar bear breaks through think Arctic ice.
A new study shows that polar bears require more food than previously thought. The scientists used collars that tracked bears' movements and metabolic rates.
The northern lights dance across the sky in the Arctic.
A voyage through the Arctic inspires a composer to create music that expresses wonder, loss, discovery and culture.
Seriously cold: The ‘bomb cyclone’ freezes a fountain in New York City.
AP Photo/Mark Lennihan
An atmospheric scientist who studies the Arctic explains why – because of global warming – the U.S. may be in for longer cold spells in the winter.
The Norman Wells pipeline connects oil fields in the Northwest Territories to Alberta.
There are many debates northerners should have about the future Arctic, but the development of oil and gas is not one of them.
The Arctic National Wildlife Refuge is home to a great diversity of wildlife – one reason environmentalists oppose oil and gas drilling.
US Fish and Wildlife Service
Alaska and oil proponents are cheering a move to open up an ecologically sensitive part of the Arctic National Wildlife Refuge to drilling -- a position environment supporters can't abide.
Gates of the Arctic National Park, Alaska. Plants on the Arctic tundra absorb mercury from the air, then transfer it to soil when they die.
How do mercury emissions from industrialized countries reach the remote Arctic? Recent research shows that plants on the tundra absorb mercury vapor through their leaves, then pass it into soil.