Sea ice plays many important roles for the global climate: Its white surface can reflect energy back into space, helping the ...

Sea ice impacts storms and coastal erosion — and NASA says Earth's total sea ice content has hit an all-time low.

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 ...

The remaining ice is thin enough for more of it to melt quickly this summer, Stroeve said. She cautioned that a record-low area in the winter doesn't guarantee a record-small area in the summer ...