In 2026, the Arctic winter sea-ice extent (annual maximum extent) reached the lowest value since satellite observations began in 1979, following the previous record low in March 2025. As part of the ...

We are providing an unedited version of this manuscript to give early access to its findings. Before final publication, the manuscript will undergo further editing. Please note there may be errors ...

As bubbles rippled across the frigid Finnish lake, diver Daan Jacobs emerged from a hole carved out of the thick, crackling ice. The journey had taken him 8 meters (26 feet) beneath the surface, where ...

Two companies are aiming to preserve Arctic ice by pumping water onto the sheet and letting it freeze, but only one of the ...

Right now, the Arctic is maxing out on sea ice – the cold of winter has built up over months of darkness, and ice has spread as far south as it will all year. It’s the North Pole’s sea ice maximum, ...

The Siberian Arctic Ocean links river runoff, sea ice, and Pacific–Atlantic exchanges, yet the drivers of its circulation variability remain poorly constrained. Using multi-decadal satellite altimetry ...

Ice plays a vital role in reflecting away planet-warming sunlight. The Arctic is warming much faster than most other parts of the world. By Sachi Kitajima Mulkey Graphics by Harry Stevens Wintertime ...

Populations of bowhead whales were able to hide from hunters under ice, a new study finds, saving them from extinction. But now, climate change is making that refuge disappear. A group of bowhead ...

Satellite monitoring shows Antarctic sea ice lagging far behind normal levels this winter, with the shortfall concentrated ...

Seals and whales in the Arctic are shifting their feeding patterns as climate change alters their habitats, and the way they do so may determine whether they survive, a new study has found.