Chart displaying Alaska’s average annual temperature from 1925 to 2025. Orange points show yearly temperatures that fluctuate between about 22°F and 32°F, while a blue trend line indicates steady warming of roughly 0.3°F per decade over the 100-year period.

Alaska climate report: 2025 ran warm

February 13, 2026
Alaska had one of its warmest years of the previous 100 in 2025, the Alaska Climate Research Center reports in its year-end summary. The Alaska...
Read more  
Side-by-side views show two NASA sounding rockets lifting off 30 seconds apart from Poker Flat Research Range early Feb. 10, 2026, their bright trails rising past faint green aurora during a mission to investigate how the ionosphere influences visible auroral structures. Photos by Bryan Whitten

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. today on a mission to better understand how...
Read more  
Under a sky filled with green northern lights and stars, a second NASA sounding rocket launches from Poker Flat Research Range around 3:30 a.m., its brilliant plume rising above snow-covered ground in a mission to investigate black aurora.

Black aurora mission launches from Poker Flat

February 9, 2026
A second NASA sounding rocket launched from Poker Flat Research Range at about 3:30 a.m. today in a mission to study a form of northern lights...
Read more  
One of ACUASI's two new Windracers ULTRA MK1 aircraft at the ACUASI hangar in Nenana, Alaska, on Jan. 23, 2026. Photo by Bryan Whitten

ACUASI successfully tests parachute delivery with new drone

February 3, 2026
One of the University of Alaska Fairbanks’ two new twin-engine unmanned aircraft circled Nenana Municipal Airport, descended and turned toward a...
Read more  
A two-stage NASA sounding rocket launches from Poker Flat Research Range at 4:20 a.m. Jan. 30, 2026, as part of a Virginia Tech project studying nitric oxide produced by the aurora. Photo by Bryan Whitten

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...
Read more  
Retractable coverings — the blue rectangular structures — cover two of the four launchpads at Poker Flat Research Range north of Fairbanks. Photo by Bryan Whitten

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...
Read more  
Graduate student researcher Emily Graham presents her research during the 2025 lecture series. Photo by LJ Evans

Science for Alaska talks and events announced

January 20, 2026
The University of Alaska Fairbanks Geophysical Institute will host free public science talks over the next few weeks, highlighting new climate...
Read more  
Ice fog shrouds a Fort Wainwright neighborhood near Fairbanks on Dec. 31, 2025. Photo by Sara Eliza Johnson

Alaska climate report: December’s deep cold, deep snow

January 14, 2026
The title page of the Alaska Climate Research Center’s monthly summary for December crisply explained what a busy weather month it was across the...
Read more  
The West Ridge research area at the University of Alaska Fairbanks is nestled against the frosted woodlands in November. Photo by Eric Marshall

Alaska climate report: November anything but normal

December 9, 2025
November brought two wildly differing snow stories to Alaska, according to the monthly summary from the Alaska Climate Research Center at the...
Read more  

About

Since it was established by an Act of Congress in 1946, scientists at the Geophysical Institute have studied geophysical processes from the center of the Earth to the surface of the sun and beyond, turning data and observations into information useful for state, Arctic and national priorities.

Contact info

The GI is located on the West Ridge of the University of Alaska Fairbanks campus.

2156 Koyukuk Drive
University of Alaska Fairbanks
Fairbanks, AK 99775

We acknowledge the Alaska Native nations upon whose ancestral lands our campuses reside. In Fairbanks, our Troth Yeddha' Campus is located on the ancestral lands of the Dena people of the lower Tanana River.

The University of Alaska is an equal opportunity/equal access employer and educational institution. The university is committed to a policy of nondiscrimination against individuals on the basis of any legally protected status.

UA is committed to providing accessible websites. Learn more about UA’s notice of web accessibility.

Please report any problems or feedback concerning this website to uaf-gi-public-info@alaska.edu.

©2025 Geophysical Institute, University of Alaska Fairbanks.