Science

Physicist Stuart Anderson is applying Cold War‑era over‑the‑horizon radar across the Arctic to detect sea ice and ships, aiming to enhance safety of emerging shipping lanes.

Sen. Dan Sullivan declined to push the Trump administration to restore the Arctic Report Card, even after a constituent urged him to act, citing a lack of substantive plans and limited engagement with NOAA on the issue.

Rapid Arctic warming is altering lake disturbance regimes, prompting researchers to examine zooplankton ecological stability over three decades.

In Kongsfjorden, Svalbard, marine fungi assimilate dissolved organic matter more efficiently than bacteria, reducing CO₂ emissions and boosting carbon storage in sediments.

Three whaling crews hauled in bowhead whales to Utqiaġvik’s shore, processed them for community use, and will distribute the meat and other parts to local residents and churches for winter celebrations.

Marine biologist Rui Seabra and team aboard the National Geographic Resolution are installing temperature sensors on Svalbard’s rocky shores to monitor how warming affects coastal biodiversity, contributing to a better understanding of climate change impacts.

A study demonstrates how high‑resolution aerial photos combined with YOLOv8s CNN can detect marine litter on Arctic beaches.

Since about 2010 the Arctic sea‑ice melt season has stopped lengthening, with yearly fluctuations despite continued rapid warming. Researchers attribute the pause to changes in cloud cover and thinner ice, warning the trend may be temporary.

Researchers synthesized long‑term aerosol observations from eight Arctic sites and satellite proxies to map new particle formation and cloud‑condensation‑nucleus dynamics. Findings show distinct latitudinal and seasonal patterns, with higher new‑particle activity in lower‑latitude continental sites and projected increases in Arctic cloud‑influencing aerosols under warming scenarios.

10 Svalbard glaciers have retreated back to land in two years, and the Austfonna glacier is melting at record speeds, according to a Norwegian Polar Institute report.

Arctic communities are using mobile apps like eBird and SIKU to record wildlife sightings and environmental changes in real time, creating a growing citizen‑science dataset that helps researchers track rapid shifts in Arctic ecosystems.

Broadband acoustic signals were transmitted across the Arctic Ocean in April 1999 as part of the US–Russian ACOUS climate observation project.

The study uses GNSS radio occultation data to reveal causal pathways that drive structural variability in the Arctic polar vortex, enhancing understanding of upper troposphere and lower stratosphere dynamics.

The 44‑meter Vanuatu‑flagged vessel Sola reached the Arctic sea‑ice line near Tromsø, Norway, marking a key moment for the 6th National Arctic Scientific Research Expedition.

A study finds that Arctic shipping routes have varied impacts on 42 Chinese ports, with nearly half experiencing positive growth—particularly in northeastern ports and core hubs—while some Bohai Rim and southern ports face declining pressure, driven by geography, capacity, and hinterland adaptability.

Researchers calculated 90‑day time series of Arctic winter data to determine mesoscale traveling ionospheric disturbance activity, linking stratospheric gravity waves and the polar vortex.

Environment and Climate Change Canada has built a pan‑Arctic data‑assimilation system that maps multiyear and first‑year sea ice with high resolution.

Researchers report genetic evidence of an acetone‑carboxylation pathway in the Arctic bacterium Porticoccus arcticus, highlighting a potential new route for CO₂ assimilation in oligotrophic Arctic surface waters.

Ben Longaker demonstrated that machine‑learning models trained on Large Eddy Simulation data reduce error in Arctic Ocean vertical turbulent mixing predictions compared to traditional KPP models, better capturing the physics of sea‑ice melt and freeze.