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.

New research reveals Antarctic sea ice has hit record lows three times since 2017, creating cascading effects on global ...

Antarctic sea ice is more than just a platform for penguins. The sea ice's high reflectivity influences the whole Earth's ...

Sea ice expanse hit a record low in late February — surpassing a record set just in 2022 (blue). The sea ice expanse for every year from 1981 to 2021 is shown in gray.

Sea ice that packs the ocean around Antarctica hit record low levels this winter, the U.S. “It’s not just a record-breaking year; it’s an extreme record-breaking year,” one scientist said.

The dramatic loss of sea ice around Antarctica has occurred with the re-emergence of the Maud Rise polynya in the Weddell Sea ...

Polar sea ice is ever-changing. It shrinks, expands, moves, breaks apart, reforms in response to changing seasons, and rapid climate change. It is far from a homogenous layer of frozen water on ...

Antarctic sea ice extent has fallen dramatically in recent years – the effects include accelerated ocean warming, faster loss ...

Antarctic sea ice is a different beast, ... 2022, and now 2023. But the amount by which 2023 separated from the pack is remarkable. That's a Texas-sized (plus) record breaker.

“There was more pack ice in the Bering Sea compared to the extreme years 2018 and 2019, but the sea ice border is mostly further north than in previous years.

Like a wild bronco, those waves bucked sea ice at the edge of an icy pack 6 feet (2 m) up and down, while even larger waves swept 60 miles (100 km) toward the center of the pack.