When attached to a drone, researchers can accurately measure sea ice depth — a measurement that’s challenging to get, and that informs scientists about the impacts of climate change.

A study published Monday in the Proceedings of the National Academy of Sciences found that increases in salinity in seawater near the surface could help explain some of the decrease in Antarctic sea ...

While satellites have revolutionized our ability to measure sea level with remarkable precision, their data becomes less ...

The NSIDC said the measurement of sea ice taken Saturday, March 22, 2025, was 5.53 million square miles — around 30,000 square miles smaller than the lowest previous peak, set in 2017.

Finally, we can measure the thickness of Arctic sea ice all year round, supporting ship traffic, weather and climate forecasts. The international study, led by researchers at UiT The Arctic ...

The extent of sea ice isn’t the only measurement scientists are tracking. The thickness of the ice also matters and, since the 1980s, Arctic sea ice has become thinner.

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The NSIDC said the measurement of sea ice taken Saturday, March 22, 2025, was 5.53 million square miles — around 30,000 square miles smaller than the lowest previous peak, set in 2017.

Using satellite measurements of cloud cover and the solar radiation reflected by sea ice between 1980 and 2023, the researchers found that the percent decrease in sea ice's cooling power is about ...

The extremely low Antarctic sea ice levels in 2023 were even more "surprising" than scientists thought, a study has found. In 2023, over 770,000 square miles less ice than usual was recorded on ...

Melting Antarctic ice contributes to global sea-level rise, so a reversal of melting will slow that down. Understanding the dynamics of ice mass on Antarctica is thus essential.