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Oceans

Diagram showing different sampling technologies.
Posted inEditors' Highlights

Scientists Face Limitations Accessing Seafloor Information

by Alberto Montanari 9 July 20258 July 2025

Recent reductions in U.S. oceanographic assets are limiting scientists’ ability to access vital materials in the ocean.

A photo of bubbles near the ocean’s surface, taken from underwater
Posted inResearch Spotlights

More Bubbles Means More Variation in Ocean Carbon Storage

by Saima May Sidik 8 July 20258 July 2025

A new model accounting for the role of bubbles in air-sea gas exchanges suggests that ocean carbon uptake is more variable than previously thought.

A person stands among crates of shellfish on a dock on a river.
Posted inNews

Warming Gulf of Maine Buffers Ocean Acidification—For Now

by Kimberly Hatfield 3 July 20253 July 2025

Scientists constructed a 100-year history of acidity in the Gulf of Maine. They expected coastal variability but were surprised by what they didn’t find: a strong anthropogenic signal.

A small vessel sails past a glacier.
Posted inNews

New Satellite Adds Evidence of an Earth-Shaking Wave

by J. Besl 1 July 20251 July 2025

A tsunami struck a fjord in East Greenland in 2023, ringing seismometers for nine straight days. A new satellite study provides the first observational evidence of the waves.

Close-up view of pieces of sea ice separated by a strip of open water.
Posted inScience Updates

Finding Consensus on Arctic Ocean Climate History

by Jochen Knies, Matt O’Regan and Claude Hillaire Marcel 25 June 202525 June 2025

Understanding the effects of a “blue” Arctic Ocean on future climate requires a coordinated effort to study Earth’s past warm periods using a variety of classical and cutting-edge methods.

Black-and-white computed tomography image of a coral core
Posted inScience Updates

A Coral Core Archive Designed for Transparency and Accessibility

by Avi Strange, Oliwia Jasnos, Lauren T. Toth, Nancy G. Prouty and Thomas M. DeCarlo 20 June 20251 January 2026

CoralCT archives raw and processed data from coral and reef core samples, preserving valuable insights into how corals respond to environmental changes.

A group of more than a dozen penguins stand on a rocky shoreline. A glacier or snowy mountain is across the water not too far from them.
Posted inResearch Spotlights

Where Do Antarctic Submarine Canyons Get Their Marine Life?

by Rebecca Owen 18 June 202518 June 2025

A new study investigates how much of the phytoplankton in the Palmer Deep submarine canyon is homemade and how much is delivered.

Image of a Synechococcus elongatus
Posted inEditors' Highlights

Kuroshio Intrusions into Luzon Strait Increase Chlorophyll

by Takeyoshi Nagai 11 June 202510 June 2025

Using in-situ observational data, scientists reveal that Kuroshio intrusions through the Luzon Strait increase small phytoplankton in the South China Sea.

Map of the ENSO in the pacific ocean with 2 equations overlain.
Posted inEditors' Vox

Two Equations that Unlock El Niño

by Jérôme Vialard 5 June 20254 June 2025

Despite the El Niño–Southern Oscillation’s global reach and complex ocean–atmosphere interactions across timescales, two simple, elegant equations capture its key dynamics and defining properties.

A satellite image shows eddies swirling in a blue ocean surrounded by white ice.
Posted inResearch Spotlights

On the Origins of Subantarctic Mode Waters

Sarah Stanley, Science Writer by Sarah Stanley 2 June 20252 June 2025

A modeling study shows how warm subtropical waters and cold Antarctic waters combine to form an Indo-Pacific water mass that plays a key role in Earth’s climate.

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23 January 202622 January 2026
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Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

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