Science

Study finds ringed seals near Saglek Bay in Canada carry high levels of PCBs, showing oxidative stress and disrupted metabolism that, combined with warming winters, threaten seal health and Inuit food security.

Progress toward an integrated Arctic Ocean Observing System shows that long‑standing partnerships have advanced ocean acoustics, field observations, and sustained monitoring, improving scientific insight into the Arctic.

Optonaval will supply a helicopter landing aid system for the German research icebreaker Polarstern II, due 2030, which will become the flagship vessel for polar science operations.

The Copernicus pan‑Arctic Regional Reanalysis (CARRA2) dataset has been expanded to cover 1986‑2025 and is now available on the Climate Data Store, offering a comprehensive climate record for the Arctic.

Researchers in Iqaluit studied sea ice algae and phytoplankton in Frobisher Bay, documenting how these microbes sustain the Arctic food web for subsistence communities.

Greenpeace used a robot to stage a protest on the Arctic Mid‑Ocean Ridge during a scientific survey, drawing attention to the need to safeguard vulnerable deep‑sea ecosystems.

Artificial nests are aiding the endangered gyrfalcon in adapting to warming Arctic conditions, helping preserve a top predator vital to the region’s ecological balance.

Modi’s Nordic visit strengthened India’s Arctic ties, creating strategic partnerships with Sweden and Norway in security, technology, green energy, and space, while navigating Russian‑linked tech concerns.

Oil companies are re‑entering Alaska’s North Slope, backed by Trump‑era policy shifts and new discoveries, sparking a $164 million lease auction and reigniting debate over Arctic environmental protection.

Risk analysis identifies uncertain ice conditions, rapid weather changes, and limited communications as primary hazards for Arctic shipping.

Arctic summer sea ice has fallen to a 50‑year low, cutting ice cover by half since the 1970s, prompting scientists advising G7 leaders to warn of wide‑ranging impacts.

The study maps human activity spread into the Arctic and sub‑Arctic from 2000‑2020 using satellite land‑cover data and a vegetation resilience indicator, linking the expansion to worsening ecological crisis.

The review examines how declining sea ice is boosting the strategic value of Arctic shipping lanes while highlighting the polar region’s complex environmental hurdles that demand robust risk assessment methods.

Russian scientists are developing a radiation-based technique to extend poultry feed shelf life, aiming to make poultry farming viable in the Arctic.

An eight‑member U.S. Senate delegation visits Isfjord Radio in Svalbard to engage with Norwegian climate researchers and reaffirm NATO’s push for greater Arctic security cooperation.

Water levels in the Peel Channel near Aklavik are climbing 0.5 m daily, approaching historic flood thresholds, as ice jams on the Mackenzie River add pressure to the community’s water defenses.

The first confirmed case of highly pathogenic H5N5 avian influenza in a polar bear was found dead in northern Svalbard, with a walrus in the same area also testing positive, underscoring rising threats to Arctic wildlife and the need for ongoing disease monitoring.

Black‑carbon emissions from Arctic shipping nearly tripled from 2019–2024 as new routes and vessel numbers rose, yet IMO’s latest measures and a cleaner‑fuel trial achieve only modest cuts, underscoring a gap between shipping growth and emissions control.

Blue Star Gold's updated resource estimate for its Ulu gold project near the proposed Grays Bay all‑season road raises contained gold by almost 20% and puts the site within 1,500 m of the planned Arctic corridor.

Imperial Oil's artificial islands along the Mackenzie River are slowing the spring ice breakup, hampering Norman Wells' river highway and hunters' access, while the Peel River has experienced record‑high water levels amid continuing ice break‑up.

Record warm April temperatures and heavy rain across Svalbard caused widespread cancellations of research and tourism activities and lowered sea ice extent.

Canada has commissioned its largest oceanography science vessel, the 88‑meter CCGS Naalak Nappaaluk, to conduct advanced research in the Atlantic and Arctic oceans, enhancing national scientific capabilities.

Alaska’s AIDEA board approved up to $190 million for seismic testing and lease bidding in the Arctic National Wildlife Refuge, advancing oil exploration plans that have drawn support from some Indigenous leaders and opposition from conservation groups.

The U.S. Coast Guard’s newest polar icebreaker, the USCGC Storis, completed a 36‑day Bering Sea deployment testing ice‑breaking performance, joint refueling and rescue drills, and live‑fire exercises to boost Arctic operational readiness.