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 ...

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 ...

Typically, sometime in March every year at the end of the long Arctic winter, the maximum of Arctic sea ice extent is reached. Slowly through spring, then accelerating through summer, most of that ice ...

Every year, the Arctic freezes. The sea ice of the Arctic reaches its maximum extent every year in March, and then as the season changes to spring, it begins to melt to its minimum about six months ...

Meier said sea ice extent is shrinking all four seasons, but the most important season for the overall health of the Arctic ice is the summer. That's because ice-free waters warm up quicker ...

The Arctic’s winter ice extent reached its lowest recorded level in March since satellite monitoring began in 1979. On March 21, 2025, the sea ice cover measured 14.45 million square kilometres ...

The sea ice in the Arctic reaches its maximum winter extent in February and March each year. As temperatures rise, it melts until the summer minimum in September. Temperatures then fall again and ...

Sea ice extent in the Arctic has decreased by about 40 percent since 1979. New technologies are being deployed to regrow it.

Gray whales, a signature of the Washington coast, are dying by the thousands, victims of declines in Arctic sea ice.

"This record low is yet another indicator of how Arctic sea ice has fundamentally changed from earlier decades," said snow and ice data center scientist Walt Meier. He said sea ice extent is ...