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Arctic Ocean

A large research vessel on the ocean on a sunny day
Posted inNews

The JOIDES Resolution Embarks on Its Final Expedition

by Grace van Deelen 6 June 20246 June 2024

On the ship’s last cruise, scientists will collect data to help predict future effects of climate change.

An aerial photograph of a glacier that terminates at the sea.
Posted inNews

How Did We Miss 20% of Greenland’s Ice Loss?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 8 February 20242 July 2024

The ice loss was hidden in places existing monitoring methods can’t reach, such as hard-to-map fjords. Machine learning helped scientist revise mass loss estimates and uncover patterns in glacial retreat.

A yellow tent sits in the middle of a snowy, icy landscape. A frozen body of water is in the foreground, and snowcapped mountains are in the distance.
Posted inResearch Spotlights

Glaciers Rise and Fall—and Melt—with Tides

by Saima May Sidik 11 January 202411 January 2024

The effect of ocean water creeping beneath Greenland ice is stronger than scientists realized.

The Sun sets over a thick cover of sea ice in the Arctic.
Posted inNews

Protecting the Ozone Layer Is Delaying Arctic Melting

by Sofia Moutinho 20 June 20233 June 2024

The Montreal Protocol has unintentionally slowed global warming and pushed back the first ice-free Arctic summer by 15 years, according to new research.

Flat green land with small ponds
Posted inNews

The Bering Land Bridge Formed Much Later Than Previously Thought

by Clara Chaisson 28 February 202328 February 2023

New research reconstructs the Bering Strait’s flooding history, raising surprising questions about human migration and how ice sheets form.

Photo of blue ice wall with pieces of ice falling into water in the foreground, causing the water to splash
Posted inNews

Underwater Sounds Help Reveal Extent of Glacial Calving

by Elise Overgaard 9 December 20229 December 2022

If a glacier calves into the Arctic Ocean, does it make a sound? Some scientists say yes and have devised a clever way to use those sounds to calculate the size of the fallen ice chunks.

Logs, sticks, and branches that washed up on the shores of Iceland are piled on a beach.
Posted inNews

Melting Sea Ice May Mean the End of Driftwood in Iceland

Richard Sima, freelance science writer by Richard J. Sima 25 August 202224 March 2023

Driftwood floats thousands of kilometers from Siberia to Iceland, but it may drift no longer by 2060 due to climate change.

Two figures from the paper that show wave measurements in the presence of sea ice using satellite remote sensing.
Posted inEditors' Highlights

Satellites Remotely Measure Ocean Waves and Sea Ice Interactions

by Ryan P. Mulligan 12 July 202215 September 2025

A new method for using satellite observations from multiple sensors improves measurements of ocean waves as they propagate through and interact with sea ice.

A ship sails through sea ice.
Posted inNews

Arctic Shipping Routes Are Feeling the Heat

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 6 July 202218 October 2022

Climate science and the global shipping industry collide in an ice-poor Arctic.

Scientists collect samples from algal mats dotting the surface of sea ice in the Arctic.
Posted inNews

Algal Mats May Be a Key to the Arctic Food Web

by Fanni Daniella Szakal 27 June 20226 January 2023

Melt ponds in sea ice have thriving algal communities with startlingly high levels of photosynthetic activity.

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New Evidence for a Wobbly Venus?

29 September 202525 September 2025
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All Publish, No Perish: Three Months on the Other Side of Publishing

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