Kelsey Lindsey

If atmospheric carbon dioxide concentration continues to climb, scientists projected, Arctic sea ice could begin melting in the winter as well as summer.

Researchers are testing whether some populations of arctic grayling are better suited than others to the changing climate.

Using swimming pool heaters and generators, scientists are hoping to see how fish and smaller organisms will react as the region warms.

Toolik Field Station on Alaska's North Slope offers scientists a prime location to study how climate change is impacting Arctic ecosystems.

Scientists are outfitting American robins with GPS units to track their response to a changing climate while migrating.

A few ewes and a ram showed up in a yard on Toloff Street off Abbott Road, surprising the residents.

The test comes as the head of the Coast Guard calls for more Arctic infrastructure in preparation for an oil spill.

The Alaska Center for Documentary Films contains hours of priceless footage from Alaska Native communities. But it faces the threat of time and decay.

Permafrost scientist Kenji Yoshikawa hopes to train reindeer to pull a sled long distances in Alaska.

Children were wheezing, but it wasn’t because they were catching colds — their homes were sick.

Researchers have found that past movement in the region could have contributed to the 7.7 magnitude St. Elias earthquake in 1979.

A program in the Northwest Arctic Borough School District has focused on community-based prevention since its start in 2008, and it has been showing dramatic results.

As the Arctic warms, sea ice is traveling between neighbors faster — which could spell disaster during an environmental crisis.

High levels of paralytic shellfish poison have been recorded in oyster operations in Southeast Alaska.

Large numbers of salmon straying from hatcheries in Southeast Alaska, as well as a low river flow, helped create lethal environments for wild salmon, according to a new report.