Antarctica gained ice between 2021 and 2023, driven by heavy snowfall. But scientists say the growth is temporary and does ...

Satellite imagery has revealed a yet-to-be-explained rise in the Southern Ocean's salinity. It could be a key factor in the decline of the region's sea ice.

East Antarctica is the largest ice sheet on Earth. Alone, it holds enough frozen water to raise global sea levels by a ...

Because of an unstable polar vortex, experts have projected record low levels of Arctic sea ice for the coming winter.

New research challenges the long-held belief that the Arctic Ocean was covered by a massive ice shelf during ice ages.