Science

China’s research vessel Xuelong 2 has set off for an ice‑station survey in the central Arctic Ocean as part of its 16th Arctic expedition, underscoring continued scientific exploration by Beijing in the high north.

Methane hydrates form where cold temperatures and high pressure combine, primarily in deep ocean sediment and under Arctic permafrost.

The 6th Turkish Arctic Scientific Expedition finished its mission off Svalbard at 82° N, with 12 Turkish scientists and 3 international researchers carrying out 12 studies on glacier melt, marine ecosystems and technology testing—data that will refine climate models and improve navigation accuracy in the region.

Ship-based measurements show iodine significantly contributes to depletion of Arctic surface ozone, sharpening the accuracy of atmospheric models.

A new map displays the Arctic's sea ice deposits at their annual maximum for February 2025, juxtaposed with the previous year’s extent in February 2024, offering a clear visual comparison of yearly changes.

GNWT’s 2011‑2022 cancer report shows higher per‑capita rates outside Yellowknife, with lung cancer the main killer; colorectal cancers disproportionately affect Indigenous residents of smaller communities, and Indigenous mortality remains elevated even after age adjustment.

Warming temperatures are increasing vulnerabilities for Canada’s defense, and the article argues that indigenous communities in the Arctic are uniquely positioned to lead environmental monitoring that could help fill NATO’s intelligence gaps.

Scientists sampled large nitric‑oxide–containing particles in the Arctic vortex for 48 days, covering latitudes 60°N to 85°N and altitudes 15–21 km, offering new insights into stratospheric chemistry.

Mid‑summer temperatures across the Arctic ice pack hover near freezing as incoming heat drives continuous melt of snow and ice.

An AI model has estimated the total volume of world glaciers using satellite data from places like Svalbard and Severnaya Zemlya, offering sharper inputs for sea‑level rise projections.

India’s National Centre for Polar and Ocean Research has teamed with Nordic institutions to conduct research on Arctic glacier changes and related ocean dynamics.

The study reports airborne measurements of angular spectral reflectance from Arctic sea ice and tundra, providing new data on surface‑atmosphere interaction in the high north.

A systematic review of North American Arctic char parasites establishes baseline biodiversity crucial for monitoring ecological changes driven by rapid Arctic warming.

Scientists detected zinc, lead, and cadmium nanoparticles in both Canadian urban and Arctic snow, attributing them mainly to traffic emissions.

The study reports melt‑burst events occurring along the Gakkel Ridge in the Arctic Ocean, highlighting how alternating magmatic and amagmatic seafloor segments define slow‑spreading ridge dynamics and pointing out that temporal variations in these processes are difficult to resolve.

Researchers from the University of Stirling are observing a Manhattan‑sized glacier break in Arctic ice islands, collecting data that could improve models of polar ice dynamics and help translate findings to other polar regions.

Canada launched Operation NANOOK‑QIMAAVIVUT, an Arctic defence exercise that tests troop and equipment movement while surveying airstrips and other infrastructure, underscoring the nation’s focus on Arctic military readiness.

Arctic warming has doubled methane releases from Siberia over ten years, amplifying the greenhouse‑gas feedback that could derail global climate targets.

Scientists used AMSR‑2 passive microwave data to produce continuous maps of snow density across the Arctic, filling a gap in observations that is critical for modeling climate impacts on ecosystems and surface energy budgets.

Scientists are exploring a geoengineering technique that would artificially thicken ice blockages—called "ice arches"—to bolster Arctic sea ice stability, potentially offering a new tool for climate mitigation in the high Arctic.

A weakened or displaced Arctic polar vortex can send colder air farther south into the United States, raising the likelihood of harsh winter conditions in Ohio. The piece highlights how changes in Arctic atmospheric circulation directly influence regional weather patterns.

Hay River officials plan to clear invasive Water Hemlock from the Great Slave Lake beach and add sand within a year as low lake levels and climate change have fostered the toxic weed’s spread, aiming to protect visitors and preserve a key local attraction.

A bipartisan Senate bill led by Sen. Lisa Murkowski would direct NOAA to pilot environmental DNA sampling for fishery stock assessments, a cost‑effective tool that could improve monitoring of high‑north salmon migrations in Alaska.