Science

A walrus mother and calf rest on an ice floe in Alaska’s Chukchi Sea in 2010. Other resting walruses are in the background. Sea ice extent is tracked by the National Snow and Ice Data Center, a Colorado-based facility that uses data from the National Oceanic and Atmospheric Administration. (Sarah Sonsthagen/U.S. Geological Survey)

Trump administration stopping NOAA data service used to monitor sea ice off Alaska

Scientists worry as services for historic data on sea ice, glaciers, other Arctic conditions discontinued.

 

Zuill Bailey, artistic director for the Juneau Jazz and Classics festival, performs on cello during the Juneau Maritime Festival on Saturday. JJAC is among the organizations receiving a termination notice Friday of funding from the National Endowment for the Arts. (Mark Sabbatini / Juneau Empire)

Local arts and culture programs in crosshairs of latest cuts by Trump administration

Perseverance Theatre, music programs, public library’s statewide remote services hit by fund cancellations.

 

The steamboat Yukon travels the Yukon River. (Public domain photo)

Alaska Science Forum: An early ascent of the Yukon River

Civil War veteran Charles Raymond was 27 when he accepted an assignment to visit the new U.S. territory of Alaska, a place so far away… Continue reading

 

Rick Thoman created this graphic to display the snow drought measured at Anchorage International Airport in the 2024-2025 season thus far. (Graphic by Rick Thoman)

Alaska Science Forum: Snow’s absence and welcome presence

Rick Thoman noted in a recent report that the paucity of 2024-2025 snowfall in Anchorage and other Southcentral Alaska locations may be unprecedented in the… Continue reading

Rick Thoman created this graphic to display the snow drought measured at Anchorage International Airport in the 2024-2025 season thus far. (Graphic by Rick Thoman)
Tolovana Roadhouse, built in 1924, is the only remaining rest stop mushers used in the 1925 Serum Run. Iditarod mushers also used it in 2025. (Photo by Ned Rozell)

Alaska Science Forum: Traveling through time in the Alaska bush

TOLOVANA ROADHOUSE — On the dark, frozen white plain of the Tanana River, a white dot appeared in the night. It was the headlamp of… Continue reading

Tolovana Roadhouse, built in 1924, is the only remaining rest stop mushers used in the 1925 Serum Run. Iditarod mushers also used it in 2025. (Photo by Ned Rozell)
A research plot at Bonanza Creek Long Term Ecological Research site maintained by scientists with the University of Alaska Fairbanks Institute of Arctic Biology. (Photo by Grant Falvo)

Alaska Science Forum: Northern soil microbes staying up all winter

We can’t see them, but there are more microbes — tiny fungi, bacteria, worms and other living things — in a teaspoon of soil than… Continue reading

A research plot at Bonanza Creek Long Term Ecological Research site maintained by scientists with the University of Alaska Fairbanks Institute of Arctic Biology. (Photo by Grant Falvo)
Researchers and crew members pose beside the University of Alaska Fairbanks research ship Sikuliaq in Dutch Harbor during a 2023 cruise to the Bering Sea to learn more about the Bering Land Bridge. (Photo by JR Ancheta)

Alaska Science Forum: Bering Land Bridge wasn’t such a dry place

Poking holes in the sea floor that used to be part of the Bering Land Bridge, researchers have found that large swaths of it were… Continue reading

Researchers and crew members pose beside the University of Alaska Fairbanks research ship Sikuliaq in Dutch Harbor during a 2023 cruise to the Bering Sea to learn more about the Bering Land Bridge. (Photo by JR Ancheta)
This painting, “Abandonment of the Whalers in The Arctic Ocean September 1871,” depicts the New England whaling ships trapped in pack ice off northern Alaska. Wainwright Inlet is in the background. (Photo courtesy Ted and Ellie Congdon, Huntington Library)

Alaska Science Forum: When the Civil War came to Alaska

About 150 years ago, a few days after summer solstice, the gray skies above the Diomede Islands were heavy with smoke from whaling ships set… Continue reading

This painting, “Abandonment of the Whalers in The Arctic Ocean September 1871,” depicts the New England whaling ships trapped in pack ice off northern Alaska. Wainwright Inlet is in the background. (Photo courtesy Ted and Ellie Congdon, Huntington Library)
Tim Ackerman begins the process of removing a dead seal’s pelt on Friday, Jan. 24, 2025, on the Letnikof Cove shoreline. (Rashah McChesney/Chilkat Valley News)

Five headless seals have washed up on Chilkat Valley beaches in the last few months; here’s possibly why

Local marine mammal hunter says the carcasses offer a glimpse into Alaska’s marine ecosystem.

Tim Ackerman begins the process of removing a dead seal’s pelt on Friday, Jan. 24, 2025, on the Letnikof Cove shoreline. (Rashah McChesney/Chilkat Valley News)
Jessica Larsen of the University of Alaska Fairbanks Geophysical Institute describes her research on Alaska’s Mount Churchill at the Fall Meeting of the American Geophysical Union on Dec. 9, 2024. (Photo by Ned Rozell)

Alaska Science Forum: The threat within an Alaska mountain

Mount Churchill stands in a white corner of the Alaska map, deceptive in its cold, windblown silence. At least twice in the last few thousand… Continue reading

Jessica Larsen of the University of Alaska Fairbanks Geophysical Institute describes her research on Alaska’s Mount Churchill at the Fall Meeting of the American Geophysical Union on Dec. 9, 2024. (Photo by Ned Rozell)
Ned Rozell sits at the edge of the volcanic crater on Mount Katmai during a trip to the Valley of 10,000 Smokes in 2001. (Photo by John Eichelberger)

Alaska Science Forum: Thirty years of writing about Alaska science

When I was drinking coffee with a cab-driving-author friend of the same vintage last week, he said of my occupation: “It’s the best job in… Continue reading

Ned Rozell sits at the edge of the volcanic crater on Mount Katmai during a trip to the Valley of 10,000 Smokes in 2001. (Photo by John Eichelberger)
Sputnik 1 orbits Earth in this artist’s rendition by Gregory Todd. (Creative Commons)

Alaska Science Forum: The first satellite’s Alaska connection

The first satellite’s Alaska connection On any clear, dark night you can see them, gliding through the sky and reflecting sunlight from the other side… Continue reading

Sputnik 1 orbits Earth in this artist’s rendition by Gregory Todd. (Creative Commons)
The Walter Washington Center in downtown Washington, D.C., hosted the 25,000 scientists who attended the Fall Meeting of the American Geophysical Union from Dec. 9-13, 2024. (Photo by Ned Rozell)

Alaska Science Forum: More familiar news of the North

WASHINGTON, D.C. — I am once again elbow-to-elbow with thousands of scientists, at a meeting I first attended 25 years ago. Back then, in 1999,… Continue reading

The Walter Washington Center in downtown Washington, D.C., hosted the 25,000 scientists who attended the Fall Meeting of the American Geophysical Union from Dec. 9-13, 2024. (Photo by Ned Rozell)
A butter clam. Butter clams are found from the Aleutian Islands to the California coast. They are known to retain algal toxins longer than other species of shellfish. (Photo provided by the Washington Department of Fish and Wildlife)

Among butter clams, which pose toxin dangers to Alaska harvesters, size matters, study indicates

Higher concentrations found in bigger specimens, UAS researchers find of clams on beaches near Juneau.

A butter clam. Butter clams are found from the Aleutian Islands to the California coast. They are known to retain algal toxins longer than other species of shellfish. (Photo provided by the Washington Department of Fish and Wildlife)
Natural hydrogen gas may be trapped under the surface of Alaska in many areas, such as here in the Brooks Range. (Photo by Ned Rozell)

Alaska Science Forum: Geologic hydrogen may be an answer

The internal combustion engine is less than 100 years old. Same for the technologies we have developed to pull oil and gas from the ground.… Continue reading

Natural hydrogen gas may be trapped under the surface of Alaska in many areas, such as here in the Brooks Range. (Photo by Ned Rozell)
The Tlingit and Haida Elder Dance Group performs during a ribbon-cutting ceremony for the new Áakʼw Tá Hít building at the University of Alaska Southeast on Friday. (Mark Sabbatini / Juneau Empire)

New Áakʼw Tá Hít building at UAS seeks state-of-the art science with traditional wisdom

Building that hosted ribbon-cutting Friday is first at Juneau campus with a primary name in Lingít.

The Tlingit and Haida Elder Dance Group performs during a ribbon-cutting ceremony for the new Áakʼw Tá Hít building at the University of Alaska Southeast on Friday. (Mark Sabbatini / Juneau Empire)
Elizabeth Djajalie, a Juneau resident attending Harvard University, explains the science of DNA metabarcoding, in a video at the Mendenhall Glacier for the Khan Academy Breakthrough Junior Challenge. (Screenshot from video by Elizabeth Djajalie)
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TMHS grad Elizabeth Djajalie among 30 global contenders in $400,000 Khan Academy Challenge

Award includes $250K scholarship to winner, $50K for a teacher and $100K for high school STEM lab.

Elizabeth Djajalie, a Juneau resident attending Harvard University, explains the science of DNA metabarcoding, in a video at the Mendenhall Glacier for the Khan Academy Breakthrough Junior Challenge. (Screenshot from video by Elizabeth Djajalie)
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La Perouse Glacier in Southeast Alaska retreats from a campsite in summer 2021. (Photo by Ned Rozell)

Alaska Science Forum: Number of Alaska glaciers is everchanging

A glaciologist once wrote that the number of glaciers in Alaska “is estimated at (greater than) 100,000.” That fuzzy number, perhaps written in passive voice… Continue reading

La Perouse Glacier in Southeast Alaska retreats from a campsite in summer 2021. (Photo by Ned Rozell)
Astrophysicists Lindsay Glesener, left, and Sabrina Savage enjoy the sunshine on an observation deck at the Neil Davis Science Center on a hilltop at Poker Flat Research Range north of Fairbanks. (Photo by Ned Rozell)

Alaska Science Forum: Waiting for the sun at Poker Flat

POKER FLAT RESEARCH RANGE — Under a bluebird sky and perched above a resilient winter snowpack, two sounding rockets point upward, ready to blast through… Continue reading

Astrophysicists Lindsay Glesener, left, and Sabrina Savage enjoy the sunshine on an observation deck at the Neil Davis Science Center on a hilltop at Poker Flat Research Range north of Fairbanks. (Photo by Ned Rozell)
UAF Ph.D. student Audrey Rowe trowels loess soil at an archeological site in the uplands of Interior Alaska. (Photo by Mat Wooller)

Alaska Science Forum: On the ancient trail of a woolly mammoth

The female woolly mammoth was 20 years old when she stumbled amid the grasslands. She fell in a cloud of dust, then gasped her last… Continue reading

UAF Ph.D. student Audrey Rowe trowels loess soil at an archeological site in the uplands of Interior Alaska. (Photo by Mat Wooller)