Report: Arctic refuge coastal plain, poised for oil development, is increasingly important for wildlife

Report: Arctic refuge coastal plain, poised for oil development, is increasingly...

The Arctic National Wildlife Refuge’s coastal plain, the area slated by the Trump administration for oil leasing, is an increasingly important site for polar...
Thawing Arctic permafrost could release massive amounts of mercury

Thawing Arctic permafrost could release massive amounts of mercury

First, there was the “carbon bomb.” Now add a mercury bomb to the scary risks posed by permafrost thaw. New research shows that permafrost soils...
Arctic clouds are more vulnerable to pollution than once thought

Arctic clouds are more vulnerable to pollution than once thought

When Tim Garrett was a graduate student, his research brought him to what was then Barrow (and today Utqiagvik), the northernmost settlement in Alaska....
Metabolism study signals more trouble ahead for polar bears

Metabolism study signals more trouble ahead for polar bears

WASHINGTON — A study of polar bear metabolism conducted near Alaska's Prudhoe Bay has provided more reason to worry about the future of these...
Danish military’s first satellite will keep eye on ships in Arctic

Danish military’s first satellite will keep eye on ships in Arctic

Measuring about a foot on its longest side and not much thicker than a long book, the first satellite to be taken into use...
A Chukchi Sea oil spill would affect polar bears in both Chukotka and Alaska

A Chukchi Sea oil spill would affect polar bears in both...

A major oil spill in the Arctic Ocean on either side of the maritime border between Russia and the United States would threaten polar...
A new project reveals big gaps in what we know about Arctic biodiversity

A new project reveals big gaps in what we know about...

A far-reaching assessment of Arctic marine biodiversity has identified ways that sea life, from tiny plankton to huge whales, are responding to the fast-changing...
2017 was second-warmest year on record, says NASA

2017 was second-warmest year on record, says NASA

Global surface temperatures in 2017 were the second warmest on record, the National Aeronautic and Space Administration announced in a new report last week. That’s...
Invasive species are still rare in the Arctic — but that could soon change

Invasive species are still rare in the Arctic — but that...

The best-known instance of invasive species in the Arctic is perhaps the red king crab: In the 1960s, the Soviet Union, seeking to increase...
The caribou herd in Alaska’s Arctic refuge has grown to an all-time population high

The caribou herd in Alaska’s Arctic refuge has grown to an...

The caribou herd best known for its association with the Arctic National Wildlife Refuge is thriving, with its population at a record high, Alaska...