Research news
Marten visits are a glimpse into mystery
February 27, 2026
A trapper fresh out of the Cosna River country in Interior 乐虎直播 said he can't believe how many martens he had caught in a small area so far this winter. Friends are talking about the house-cat size creatures visiting their wood piles and porches. Could this be a boom in the number of these handsome woodland creatures?
Southern 乐虎直播 killer whales eat a remarkably diverse diet
February 23, 2026
Fish-eating killer whales in southern 乐虎直播 have a diverse, seasonally changing diet featuring salmon and groundfish, according to a recently published study in the journal Ecosphere. The types of fish consumed also differ greatly across foraging hotspots in the region.
The full circling of a northern career
February 20, 2026
Hajo Eicken had "everything I could ever ask for" in his former career at a German institute. Well, almost everything.
Presentation to discuss ongoing vegetable variety research
February 20, 2026
A presentation in Delta Junction will provide an overview of the vegetable-testing program at the 乐虎直播. Katie DiCristina, the lead research technician for the 乐虎直播 Variety Trials program, will facilitate the in-depth discussion.
Talk to explore sub-Arctic education, forest products
February 19, 2026
A 乐虎直播 researcher will explore how OneTree 乐虎直播 can serve as a model for sub-Arctic education and development of forest products. The presentation is part of the series 鈥淐ircumpolar Connections: A Dialogue on Arctic Food Systems.鈥
乐虎直播 climate report: 2025 ran warm
February 13, 2026
乐虎直播 had one of its warmest years of the previous 100 in 2025, the 乐虎直播 Climate Research Center reports in its year-end summary. The 乐虎直播 Climate Research Center, part of the 乐虎直播 Geophysical Institute, released its 2025 summary in late January.
乐虎直播 lovebirds go their own way
February 13, 2026
During a month of endless summer light, a mated pair of shorebirds teaches their four chicks how to catch insects. The babies grow fat and strong on the tundra high in northeastern 乐虎直播. They are soon ready for their first migration.
Third 2026 mission launches from Poker Flat Research Range
February 10, 2026
A tandem of NASA sounding rockets blasted off from Poker Flat Research Range at about 1:30 a.m. Tuesday on a mission to better understand how changes in the ionosphere influence the aurora's appearance.
IARC director tapped to lead Germany's Alfred Wegener Institute
February 10, 2026
Hajo Eicken, director of the 乐虎直播 International Arctic Research Center, has been selected as scientific director at Germany's Alfred Wegener Institute for Polar and Marine Research. Longtime UAF researcher and IARC leader Scott Rupp will step in as IARC's interim director.
The scent of barren ground grizzly
February 09, 2026
Unlike most of us, Jordan Pruszenski has held in her arms the following wild animals: wolves, caribou, beavers, muskrats, musk oxen, emperor geese and moose.
New interactive map showcases 乐虎直播's microgrid energy systems
February 04, 2026
A free digital tool from the 乐虎直播 gives users a comprehensive look at energy systems in 乐虎直播's microgrid communities.
Seminar gives overview of agrivoltaics project in 乐虎直播
February 04, 2026
A 乐虎直播 researcher will highlight the first year of activities at 乐虎直播's inaugural commercial-scale agrivoltaics research site.
Enjoying that soda? New research can reveal how much you drink
February 03, 2026
A 乐虎直播 scientist has shown that a chemical marker in the body can reliably reveal how much added sugar and how many sugar-sweetened drinks a person consumes. The marker works in people of different ages, sexes, races and diets.
First rocket of 2026 takes flight at Poker Flat
January 30, 2026
A two-stage NASA sounding rocket shot skyward from Poker Flat Research Range at 4:20 a.m. today as part of a long-running project to learn more about aurora-produced nitric oxide in the upper atmosphere.
Twenty years of Arctic report cards
January 30, 2026
I sat in on the first Arctic Report Card press conference 20 years ago, and most of the years since. Here are some of the reported changes in the top of the world that have affected the rest of the globe.
Seminar highlights botanical garden's role in food system
January 30, 2026
A presentation by the Georgeson Botanical Garden's directing manager will highlight the garden's role in strengthening food security in the state. Lacey Higham's presentation is part of the 乐虎直播' Institute of Agriculture, Natural Resources and Extension series "Circumpolar Connections: A Dialogue on Arctic Food Systems."
Three missions, four rockets: Poker Flat ready for launches
January 27, 2026
The 2026 Poker Flat Research Range launch season opens this week with the first of three missions studying the aurora and the upper atmosphere.
Carl Benson embodied the far North
January 23, 2026
Carl Benson's last winter on Earth featured 32 consecutive days during which temperatures in his chosen town did not rise above zero Fahrenheit.
Science for 乐虎直播 talks and events announced
January 17, 2026
The 乐虎直播 Geophysical Institute will host free public science talks over the next few weeks, highlighting new climate research technology, an 乐虎直播 earthquake mystery solution, tidewater glaciers in 乐虎直播 and Greenland and a recent Bering Sea journey aboard the research vessel Sikuliaq.
The physics of skating and slap shots
January 16, 2026
When two NHL hockey players collide, their pads and muscles can absorb enough energy to power a 100-watt light bulb for a minute and a half.
