New data shows winter sea ice has reached a record low, raising concerns over warming trends and long-term climate impacts.

Typically, sometime in March every year at the end of the long Arctic winter, the maximum of Arctic sea ice extent is reached ...

Record-low winter sea ice in the Arctic this year adds to a continued trend of decreasing seasonal sea ice and an increase in threats faced by communities along Alaska’s northern and western shores.

To make matters worse, NASA scientists also discovered that, this year, summer ice in the Antarctic retreated to 764,000 square miles (1.98 million square kilometers) as of March 1, tying for "the ...

Arctic sea ice has recorded its smallest winter peak extent since satellite records began 47 years ago, new data reveals.

The meltdown extends beyond the Arctic. Antarctica recently flirted with a record low in its own annual sea ice minimum – ...

Arctic sea ice reached a record-low winter maximum on March 22, 2025, with just 5.53 million square miles of coverage—well ...

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 ...

Scientists at the National Snow and Ice Data Center (NSIDC) have said that Arctic sea ice most likely reached its yearly ...

The formation of sea ice also makes the surrounding water saltier, as salt is pushed out when water freezes. If less sea ice ...

Antarctica’s summer sea ice has dropped to one of its lowest extents ever recorded, shrinking to levels 30% below the ...

The combined loss of sea ice in both polar regions has led to an all-time low for total sea ice on the planet. In mid-February 2025, ice coverage globally declined by over million square miles (2. ...