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sea ice

An ice floe floats in the Amundsen Sea close to the shore of West Antarctica.
Posted inFeatures

Confined at Sea at the End of the World

by Sofia Moutinho 23 May 202423 May 2024

Embedded on a research cruise in the Antarctic, a journalist joins a scientists’ “summer camp.”

Satellite image of a polynya (area without ice) in Antarctica. Most of the image is white snow or ice, but the polynya area is blue and green.
Posted inNews

Holes in Ross Sea Ice Grow and Shrink in Unexpected Cycle

by Amy Mayer 9 April 202411 April 2024

Changes in polynya area in the Ross Sea region off Antarctica follow a previously unidentified 16-year periodicity.

A black and white satellite image shows sea ice, with cracks appearing bright white, beside snow-covered landfast ice (gray) and land (dark).
Posted inScience Updates

Monitoring Polar Ice Change in the Twilight Zone

by Ted Scambos, Christopher Shuman, Mark Fahnestock, Tasha Snow and Christopher Crawford 20 February 202421 February 2024

Landsat’s new extended data collection program is mapping Arctic and Antarctic regions year-round, even in polar twilight.

Stylized illustration of two figures pushing and pulling a large rock into place to cover a gap separating two cliffs
Posted inFeatures

Bridging Gaps Between the Geosciences and National Security

by Peter Chirico, Bruce Molnia, Anthony Nguy-Robertson and Dan Opstal 31 January 202428 May 2024

The geoscience community and national security agencies need effective, two-way communication to exchange information.

A green tundra with patches of snow
Posted inNews

Another Record-Breaking Year in the Arctic Amplifies Calls for More Data

by Grace van Deelen 12 December 202313 December 2023

A downward spiral of the Arctic’s ecological health and climatic conditions continued in 2023, causing problems for people, plants, and animals, according to a new NOAA report.

The Sun rising above Arctic sea ice; view of a meltwater pond and pressure ridges in the foreground
Posted inNews

Arctic Ice Loss Could Shorten Winter Feeding Time for Zooplankton

by Veronika Meduna 2 October 20232 October 2023

The Arctic’s thinning sea ice allows more light to penetrate deeper into the ocean, holding zooplankton far beneath the surface.

A satellite image shows blue sea ice in the Nares Strait and open water toward the bottom of the image.
Posted inNews

Winds Clear Sea Ice Through Fertile Arctic Waters

by Andrew Chapman 11 September 202311 September 2023

The North Water polynya might not be as dependent on a sea ice bridge as previously thought, but not everyone is convinced.

An emperor penguin is standing on a sheet of ice with a row of other penguins sliding on their bellies.
Posted inEditors' Vox

Landfast Sea Ice: The Most Important Ice You’ve Never Heard Of

by Pat Wongpan and Alexander D. Fraser 22 August 202321 August 2023

Landfast sea ice, sea ice that is held stationary against the Antarctic continent, links firmly with many key climate processes, but its importance is only being fully realized as its extent dwindles.

A four-legged animal with furry brown hair and a pair of curved, tan horns stands on grassy ground behind a rock, and a younger animal of the same breed appears in the background.
Posted inNews

Herbivore Diversity Helps Maintain Arctic Tundra Diversity

Katherine Kornei, Science Writer by Katherine Kornei 11 August 202311 August 2023

A long-term experiment in southwestern Greenland reveals that the presence of musk oxen and caribou helps stave off declines in Arctic tundra diversity brought on by climate change.

A photo taken from a red ship next to waters with abundant sea ice
Posted inNews

Meltwater from Antarctic Glaciers Is Slowing Deep-Ocean Currents

by Veronika Meduna 26 July 202326 July 2023

Antarctic ice drives crucial deep-ocean currents that help regulate Earth’s climate. But the system is slowing down.

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Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

Quantifying Predictability of the Middle Atmosphere

5 September 20255 September 2025
Editors' Vox

Experienced Researcher Book Publishing: Sharing Deep Expertise

3 September 202526 August 2025
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