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Getting ready for a long journey by dogsled, Shari Gearheard and Yvon Csonka don polar bear pants. Image courtesy Andy Mahoney. (View photo detail.)
Shari (right) and Lene (left) watch the dogs and sleds getting ready. Image courtesy Andy Mahoney. (View photo detail.)
Greenlandic halibut freeze-drying on a rack. Image courtesy Andy Mahoney. (View photo detail.)
Three stone inukshuks on the hillside behind Qaanaaq are often used as trail markers or to herd caribou for hunting purposes. Image courtesy Andy Mahoney. (View photo detail.)
A stone inukshuk on the hillside above Qaanaaq is still in the shade as the first light of dawn catches the icebergs in the frozen fjord. Image courtesy Andy Mahoney. (View photo detail.)
The group packs up a dogsled for the journey north. Image courtesy Andy Mahoney. (View photo detail.)
Andy Mahoney poses before the dogsled ride north. Image courtesy Andy Mahoney. (View photo detail.)
A dog team waits patiently. Image courtesy Andy Mahoney (View photo detail.)
A sled dog stands in its harness. Image courtesy Andy Mahoney (View photo detail.)
The sled dogs are getting excited, getting ready to head north to Siorapaluk. Image courtesy Andy Mahoney (View photo detail.)
Thule Airforce Base glows in the morning sun. Image courtesy Andy Mahoney. (View photo detail.)
Mount Dundas towers over Thule Airforce Base in Greenland. Image courtesy Andy Mahoney. (View photo detail.)
Pilots move the Bell 212 out of the hangar at Thule Airforce Base. Image courtesy Andy Mahoney. (View photo detail.)
Shari Gearheard poses in front of the helicopter. Image courtesy Andy Mahoney. (View photo detail.)
This aerial photo was taken on the way north to Qaanaaq. Image courtesy Andy Mahoney. (View photo detail.)
Polished ice and crevasses sparkle in the morning light. Image courtesy Andy Mahoney. (View photo detail.)
We look over coastal glaciers to the Greenland ice cap. Image courtesy Andy Mahoney. (View photo detail.)
Shari looks out the window as we near Qaanaaq. Image courtesy Andy Mahoney. (View photo detail.)
Ilkoo smiles inside the helo. Image courtesy Andy Mahoney. (View photo detail.)
This aerial photo was taken while flying over the town of Qaanaaq. Image courtesy Andy Mahoney. (View photo detail.)
Image courtesy Andy Mahoney. (View photo detail.)
The Sea-Ice Knowledge Exchange team arrives in Qaanaaq. Image courtesy Andy Mahoney (View photo detail.)
The ice-covered Inglefield Fjord lies in the background behind the town of Qaanaaq. Image courtesy Andy Mahoney. (View photo detail.)
Dogs guard the houses in Qaanaaq Image courtesy Andy Mahoney. (View photo detail.)
The flag of Pilersuisoq marks the general store in Qaanaaq. Image courtesy Andy Mahoney. (View photo detail.)
Frank performs some string art. Image courtesy Andy Mahoney. (View photo detail.)
Joelie performs string art. Image courtesy Andy Mahoney. (View photo detail.)
Ilkoo tries to teach me some string art. Image courtesy Andy Mahoney. (View photo detail.)
Andy Mahoney cuts frozen seal liver during a break on the journey. Image courtesy Andy Mahoney (View photo detail.)
The dogs are off! Image courtesy Andy Mahoney (View photo detail.)
Andy Mahoney tastes some seal liver--it just melts in your mouth! Image courtesy Andy Mahoney (View photo detail.)
Open water and thin ice are hard to see in the flat light and poor visibility. Image courtesy Andy Mahoney (View photo detail.)
A dog team fans out on the ice. Image courtesy Andy Mahoney (View photo detail.)
We are forced to travel on the ice-foot at the edge of the land due to the thin ice. Image courtesy Andy Mahoney (View photo detail.)
Dawn breaks on a clear day in Siorapaluk. Image courtesy Andy Mahoney (View photo detail.)
Siorapaluk, the world's northernmost community, looms in the snow-filled air late in the day. Image courtesy Andy Mahoney (View photo detail.)
The sun rises over the northernmost cemetery in Siorapaluk. Image courtesy Andy Mahoney (View photo detail.)
The dog teams spend the night on the ice in front of town. Image courtesy Andy Mahoney (View photo detail.)
Siorapaluk shines on a clear morning, while the sled dogs have a good rest. Image courtesy Andy Mahoney (View photo detail.)
Toku and Shari pose during the voyage back to Qaanaaq Image courtesy Andy Mahoney (View photo detail.)
The sled teams leave Siorapoluk and head back to Qaanaaq. Image courtesy Andy Mahoney (View photo detail.)
The dogs are working hard. Image courtesy Andy Mahoney (View photo detail.)
Joelie drives Jens's dogs. Image courtesy Andy Mahoney (View photo detail.)
The five other dog teams spread out on the return journey. Image courtesy Andy Mahoney (View photo detail.)
The dogs roll in the snow to cool off. Image courtesy Andy Mahoney (View photo detail.)
Lene, Ilkoo, and Shari pose in the snow. Image courtesy Andy Mahoney (View photo detail.)
One dog takes an interest in the camera. Image courtesy Andy Mahoney (View photo detail.)
Illanguau checks the sled before the group sets off again. Image courtesy Andy Mahoney (View photo detail.)
Illanguau jumps on the the sled as it goes by.(1/4) Image courtesy Andy Mahoney (View photo detail.)
Illanguau jumps on the the sled as it goes by. (2/4) Image courtesy Andy Mahoney (View photo detail.)
Illanguau jumps on the the sled as it goes by. (4/4) Image courtesy Andy Mahoney (View photo detail.)
Illanguau jumps on the the sled as it goes by. (3/4) Image courtesy Andy Mahoney (View photo detail.)
The sled dogs have frosty whiskers from the cold. Image courtesy Andy Mahoney (View photo detail.)
Mamarut drives his sled dog team. Image courtesy Andy Mahoney (View photo detail.)
Toku drives her dogsled team. Image courtesy Andy Mahoney (View photo detail.)
A young hunter and his team pass by quickly. Image courtesy Andy Mahoney (View photo detail.)
A dogsled team drives across the sea ice, with icebergs in the background. Image courtesy Andy Mahoney (View photo detail.)
These paw prints in the snow were left by sled dogs. Image courtesy Andy Mahoney (View photo detail.)
This paw print was left by a sled dog. Image courtesy Andy Mahoney (View photo detail.)
The dogsled teams stop for a break. Image courtesy Andy Mahoney (View photo detail.)
Toku tests the ice. Image courtesy Andy Mahoney (View photo detail.)
A dog team hugs the coast to avoid the wide expanse of water and thin ice. Image courtesy Andy Mahoney (View photo detail.)
Icebergs appear in a mirage. Image courtesy Andy Mahoney (View photo detail.)
Andy Mahoney poses on sea ice with open water behind him. Image courtesy Andy Mahoney (View photo detail.)
The sun gets lower on the journey back to Qaanaaq. Image courtesy Andy Mahoney (View photo detail.)
A man breaks off a chunk of frozen halibut. Image courtesy Andy Mahoney (View photo detail.)
The team takes a last break before home. Image courtesy Andy Mahoney (View photo detail.)
Joelie and Igah drive their sled dog team, on loan from Jens, the mayor of Qaanaaq. Image courtesy Andy Mahoney (View photo detail.)
The whole team (except the dogs) poses for a group photo. Image courtesy Andy Mahoney (View photo detail.)
The shadows get longer as they near Qaanaaq. Image courtesy Andy Mahoney (View photo detail.)
Shari takes a turn at driving Toku's team. Image courtesy Andy Mahoney (View photo detail.)
A large iceberg sits still in the evening light. Image courtesy Andy Mahoney (View photo detail.)
It gets dark slowly at 77N. Image courtesy Andy Mahoney (View photo detail.)
Shari gets used to the Greenlandic style of whip. Image courtesy Andy Mahoney (View photo detail.)
Icebergs lie ahead of the dogsled team. Image courtesy Andy Mahoney (View photo detail.)
Qaanaaq comes within view of the dogsled teams. Image courtesy Andy Mahoney (View photo detail.)
Raven has left its prints in the snow. Image courtesy Andy Mahoney (View photo detail.)
This thin sea ice has buckled Image courtesy Andy Mahoney (View photo detail.)
A jumble of ice was caused by large rocks and the tide in shallow water below. Image courtesy Andy Mahoney (View photo detail.)
A wind-polished iceberg is frozen into the sea ice. Image courtesy Andy Mahoney (View photo detail.)
Qaanaaq is visible as dusk approaches. Image courtesy Andy Mahoney (View photo detail.)
An iceberg is frozen into sea ice near the Greenland coast.. Image courtesy Andy Mahoney (View photo detail.)
Consolidated pancake ice off the coast of Greenland. Image courtesy Andy Mahoney (View photo detail.)
The sun sets behind icebergs. Image courtesy Andy Mahoney (View photo detail.)
The sun sets and moon rises behind icebergs and sea ice. Image courtesy Andy Mahoney (View photo detail.)
Wind and snow play among the icebergs. Image courtesy Andy Mahoney (View photo detail.)
Sunset over sea ice and icebergs. Image courtesy Andy Mahoney (View photo detail.)
The sun sets over the northernmost football field, set up on the sea ice. Image courtesy Andy Mahoney (View photo detail.)
Tidal overflow steams in the evening light. Image courtesy Andy Mahoney (View photo detail.)
A gibbous moon glows over the ice. Image courtesy Andy Mahoney (View photo detail.)
Sled dog puppies frolic in the snow. Image courtesy Andy Mahoney (View photo detail.)
This puppy is on a mission. Image courtesy Andy Mahoney (View photo detail.)
Tide cracks in the sea ice around grounded icebergs; the trail made by the front loader used to collect glacier ice for melting runs through the middle. Image courtesy Andy Mahoney (View photo detail.)
On the way back to Thule Airforce Base. Image courtesy Andy Mahoney (View photo detail.)
These glaciers now provide the over-land route between Qaanaaq and Thule Airforce Base (Pituffik). Image courtesy Andy Mahoney (View photo detail.)
Open water is visible at the mouth of Inglefield Fjord. Image courtesy Andy Mahoney (View photo detail.)
These glaciers used to terminate in the sea; now that they terminate on land, it makes traveling by land via dogsled even more difficult. Image courtesy Andy Mahoney (View photo detail.)
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Scientists blog from Antarctica and provide a glimpse of what it's like to do research in the field. Read their blog ...
What's hot in the news around climate and sea ice and what are scientists talking about now? Read more...
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