A magnitude 6.4 earthquake rattled a remote region of Alaska's North Slope southeast of Prudhoe Bay Sunday morning. The state seismologist called it the biggest quake ever recorded in the region.

Transportation engineers moved the road to avoid a giant mass of frozen debris sliding downhill.

"If they were moving out of the Arctic, then you would see a lot of ponds draining... But thats not what we saw, we saw a lot of new ponds forming."

Climate change could be altering northern ecosystems more quickly and profoundly than anyone surmised, suggests a study that focused on a large Arctic lake.

Thinner sea ice and melting permafrost. Is it related to changes in the Earth's axis?

Permafrost thaw is affecting houses, roads, and ice cellars.

More than 658,000 reindeer are up for vaccination in order to prevent another outbreak of the deadly bacteria infection.

Northern freshwater lakes are turning brown as permafrost thaws and introduces more organic carbon into the water, according to a new study published in the journal Limnology and Oceanography Letters.

The Svalbard Global Seed Vault celebrates its first decade in operation by accepting its millionth sample—and a grant for work to keep those samples safe despite melting permafrost.

New research shows that permafrost soils hold massive quantities of mercury — nearly twice as much as is held in all other soils in the world, plus the mercury in the oceans and the atmosphere —

Leaning utility poles in south Anchorage

Just what exactly is permafrost? And what is happening now that it's warming up? To find out, we enter the Arctic Circle's secret world of ice and frozen history.

While taking photos this afternoon of the snow ice on various objects near the Native Village of Unalakleet, which was on the approximate order of 4 minutes and with very little wind (playground, grass, powerlines), my hands were cold due to the "wetness" in the air and the ambient air temperature.

Melting permafrost and major storms are eating away at the coastal Alaskan village of Newtok. Residents are desperate to move, but the U.S. has no climate change policy that could help them.

In villages like Kongiganak, communities have stopped burying their dead because, as the permafrost melts, the oldest part of their cemetery is sinking.

Beavers live in every province of Canada, every U.S. state and into northern Mexico. Range maps now need to be redrawn to include areas north of treeline in Alaska and Canada.

An advocacy group has put a price tag on the heaving roads and leaning buildings ubiquitous to the Northwest Territories.

Government scientists have found an island in the Beaufort Sea that is shedding as much as 40 metres of ground each summer.

Gas bubbles from waters filling crater hole on Yamal peninsula two months after volcanic-style explosion in thawing permafrost.

Community concerned about health and safety from old site.