Arctic sea ice had its weakest winter buildup since record-keeping began 47 years ago, a symptom of climate change that will have repercussions globally, scientists said Thursday.

Arctic sea ice reached a record low in March 2025, marking the lowest extent in the 47-year satellite record. The shrinking sea ice, attributed to rising global temperatures from burning fossil ...

Though September sea ice extent appeared to offer a short-term recovery this fall, “that’s not the full story,” says one Arctic scientist, with low ice concentration seen in 2021, and lack ...

And winter sea ice is especially important for fisheries and seal pups, Meier said. Arctic sea ice's biggest year since record-keeping began was 1979, at 6.42 million square miles (16.64 million ...

In February, global sea ice, combining Arctic and Antarctic measurements, hit a record low. More for You Canada rescinds Digital Services Tax after Trump cuts off U.S. trade talks ...