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 ...

Colder temperatures in December brought an earlier start to the ice season than Islanders have seen over the last five years.

It's about as remote as it gets, yet what happens in the Southern Ocean near Antarctica impacts all of us. And what's going on down there? Over the past few years, researchers have discovered dramatic ...

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 ...

The extent of sea ice blanketing the Arctic this winter fell to the lowest level on record, researchers announced this week, an ominous signal about the effects of climate change in the world’s ...

The bottom of a cut-out block of 2 m thick ice covered with ice algae, placed atop the sea ice of McMurdo Sound, Antarctica. The disappearance of sea ice in polar regions due to global warming not ...

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 ...

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 ...

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 ...