A Penn State–led study reveals that sea-ice openings and industrial pollution amplify Arctic warming through cloud formation ...

Scientists found that sea ice cracks, pollution, and cloud formation interact to amplify Arctic warming faster than expected.

Arctic communities have long been noticing changes in the sea ice across Alaska, with ice setting up later most years and proving less dependable throughout the winter many years. The impacts have ...

The winter growth period for sea ice in the Arctic Ocean is now over, with levels at a record low. The winter ice extent on 21 March 2025 was lower than at any time since continuous satellite ...

As I walked out onto the frozen Arctic water off Utqiagvik, Alaska, for the first time, I was mesmerized by the icescape. Piles of blue and white sea-ice rubble several feet high gave way to flat ...

New study explains how winter sea ice and melting ice shelves control the formation of deep ocean water in Antarctica.

Polar sea ice has reached record, and near-record, lows for this time of year, pushing the pace of global warming and alarming scientists. The just declared 2025 Arctic sea ice extent winter maximum ...

This story was produced in partnership with the Pulitzer Center’s Ocean Reporting Network. A haze of ice crystals in the air created a halo around the low sun as three snowmobiles thundered onto the ...

This story was produced in partnership with the Pulitzer Center’s Ocean Reporting Network. Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. You don’t have to pay much ...

But spending time on the ice with people who rely on it for their way of life provides a different perspective. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...