A new international study involving researchers from the University of Gothenburg shows that vegetation in the Arctic is ...

Two bull caribou of the Western Arctic Caribou Herd swimming across the Kobuk River during fall 2011 migration in Kobuk Valley National Park. The herd has been in decline since hitting its peak ...

The Western Arctic Caribou Herd, once the biggest in Alaska, is faltering, having fallen from a high of 490,000 animals in 2003 to only 152,000 as of 2023. But to the east, the Porcupine Caribou Herd ...

The collapses of Western Alaska salmon runs have been among the most consequential climate change impacts in the rapidly warming Arctic over the past two years, according to an annual report assembled ...

A beaver is seen on June 12, 2018, swimming in a tundra pond in the Nome area. As the climate has warmed, beavers have moved north into tundra terrain in both Alaska and Canada. A National Science ...

Arctic tundra, which has stored carbon for thousands of years, has now become a source of carbon dioxide. The new research, led by scientists at the Woodwell Climate Research Center in Falmouth, ...

The tundra regions have become a net carbon source rather than a carbon sink, the result of permafrost warming, increased wildfires and other effects of climate change, said the 2024 Arctic Report ...

Tundra swans — at 15 pounds and with a wingspan of almost 6 feet — are now touching down on the ponds and snowfields of Alaska. Not too long ago, Alaska scientists discovered more about where the ...