When sea ice reached its second-lowest extent in 2020 — part of the long-term trend of warmer air, higher ocean temperatures and declining sea ice — an unusually warm spring north of Alaska ...

Though sea ice extent increased slightly in April, up to 5.4 million square miles compared to 5.33 million square miles as of Feb. 27, the trends are now consistent with seasonal ice decrease ...

New research shows that climate systems like sea ice and permafrost may shift abruptly, even at 1.5°C (2.7°F) of warming.

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 ...

Arctic sea ice extent, or area, has declined overall since satellite surveillance began in the late 1970s. Comparing sea ice on two random days doesn't provide any meaningful information about ...

The 2019 maximum extent breaks a string of record or near-record lows that started in 2015 — but that does not necessarily mean that Arctic sea ice is recovering.

On March 24, Arctic sea ice extent peaked at 5.607 million square miles (14.52 million square kilometers), a new record low winter maximum extent in the satellite record that started in 1979.

Melting Arctic sea-ice could affect global ocean circulation Date: October 27, 2024 Source: UiT The Arctic University of Norway Summary: The warming climate in polar regions may significantly ...

The Arctic Ocean has always been a region that’s fascinated University of Delaware doctoral student Tianyu Zhou. While most of humanity lives in the world’s temperate zone, the polar ocean seems like ...

The five lowest Arctic winter sea ice extents in have all happened since 2015. Meanwhile in Antarctica, there was nearly a record low extent after it underwent its summer melt period, but it didn't ...