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Oceans

Photos of atoll islands
Posted inEditors' Highlights

Coastal Models Quantify How Natural Islands Respond to Sea Level Rise

by Gonéri Le Cozannet 28 April 202525 April 2025

Coastal models enhance understanding of future flooding frequency on atoll islands, paving the way to explore the limits of adaptation in the face of rising sea levels and climate change.

The seafloor is blanketed n mounded rocks.
Posted inResearch & Developments

Trump Moves to Allow Seabed Mining in International Waters

by Emily Dieckman 25 April 20255 May 2025

A new executive order aims to establish the United States “as a global leader in seabed mineral exploration and development both within and beyond national jurisdiction.”

Small plastic fragments on sand and stones.
Posted inNews

Avalanches of Microplastics Carry Pollution into the Deep Sea

by Grace van Deelen 23 April 202523 April 2025

Scientists observed a once-theorized process ferrying microplastics into the deep ocean.

Satellite photo of a plankton bloom.
Posted inEditors' Highlights

Upwelling Near Fronts Initiate Offshore Phytoplankton Blooms

by Takeyoshi Nagai 17 April 202517 April 2025

A new study finds that phytoplankton blooms, often seen near the separation point of western boundary currents, are supported by nutrient supply upwelling and cross-shelf transport.

Silhouettes of people in lavender and periwinkle stand, some overlapping, on a aubergine-colored background. Overlying the image at the bottom is the text “R&D Research and Developments.”
Posted inResearch & Developments

NOAA Datasets Will Soon Disappear

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 17 April 20258 May 2025

NOAA has quietly reported that they will soon decommission 14 datasets, products, and catalogs related to earthquakes and marine, coastal, and estuary science.

Dozens of ice cores—long, thin cylinders—are stored on a metal shelf and seen from the front, so they look like circles.
Posted inResearch Spotlights

When Ice Ages End, Ocean Circulation Fine-Tunes Ocean Heat

Sarah Stanley, Science Writer by Sarah Stanley 14 April 202514 April 2025

New Antarctic ice core data bolster model predictions of ocean heat content during glacials and interglacials.

Two people wearing hard hats are silhouetted by the Sun rise in the distance as they look out over the ocean from a research vessel.
Posted inScience Updates

Unlocking Climate Secrets of Hawai‘i’s Drowned Reefs

by Jody M. Webster and Christina Ravelo 11 April 202511 April 2025

Researchers set sail to study sea levels, climate, ecosystem responses, and volcanic histories over the past 500,000 years, using an innovative seabed drill to sample fossilized reefs off Hawai‘i.

A rusting metal cylinder sits on the bottom of the sea.
Posted inNews

WWII Ordnance Is Polluting the Baltic Sea

Javier Barbuzano, Science Writer by Javier Barbuzano 4 April 20258 April 2025

Discarded explosives were dumped into the Baltic and North seas after World War II. Their deadly legacy is still with us.

View from afar of a blue and white research vessel next to an iceberg.
Posted inNews

Thriving Antarctic Ecosystem Revealed by a Departing Iceberg

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 31 March 202523 June 2025

A quick-calving iceberg gave scientists a rare glimpse into what hides beneath Antarctic ice.

A large red, white, and blue ship with “Marion Dufresne” printed on the side is at sea, preparing for a helicopter to land on it.
Posted inResearch Spotlights

Tracking Some of the World’s Fiercest Ocean Currents

by Saima May Sidik 27 March 202523 June 2025

During a voyage off the east coast of Africa, researchers collected detailed measurements of massive swirling currents that affect regional ocean conditions and fisheries.

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Features from AGU Publications

Research Spotlights

How Plant-Fungi Friendships Are Changing

22 October 202522 October 2025
Editors' Highlights

New Evidence for a Wobbly Venus?

29 September 202525 September 2025
Editors' Vox

Publishing Participatory Science: The Community Science Exchange

20 October 202517 October 2025
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