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Oceans

A man crouches on the deck of a ship. He is wearing latex gloves and collecting a water sample from a tank.
Posted inNews

Panama’s Coastal Waters Missed Their Annual Cooldown This Year

by Katherine Bourzac 15 October 202515 October 2025

The unprecedented failure of tropical upwelling will likely affect the country’s fisheries. Scientists aren’t certain whether it will happen again next year.

An underwater reef.
Posted inNews

As Seas Rise, Corals Can’t Keep Up

by Grace van Deelen 14 October 202514 October 2025

Coral reef growth rates in the tropical western Atlantic have slowed to a fraction of what they once were, erasing coastal protection benefits they once offered.

Research scientist Kelly Hondula gathers water samples from submarine groundwater discharge sites along the Hawaiian coast.
Posted inNews

Pinpointing Sewage Seeps in Hawaii

by Anna Napolitano 9 October 20259 October 2025

Cesspools and septic systems, as well as coastal development, put Hawaiian coastal waters at risk of contamination.

A satellite image shows a swirl of clouds off the western coast of the United States.
Posted inResearch Spotlights

A Step Toward AI Modeling of the Whole Earth System

by Saima May Sidik 9 October 20259 October 2025

Coupling an AI-driven model of the atmosphere with a model of the ocean could help scientists create highly efficient emulations of the entire Earth system.

Hielo marino agrietado visto desde arriba.
Posted inNews

La salinidad del Océano Austral podría estar desencadenando la pérdida de hielo marino

by Bill Morris 9 October 20259 October 2025

Nuevas tecnologías satelitales han revelado que el Océano Austral se está volviendo más salino, un giro inesperado de los eventos que podría representar un gran problema para la Antártida.

Neil Jacobs sits behind a microphone, speaking at his confirmation hearing.
Posted inResearch & Developments

Sharpiegate Scientist Takes the Helm at NOAA

by Emily Gardner 8 October 20258 October 2025

Meteorologist and atmospheric scientist Neil Jacobs was confirmed as the new leader of NOAA on Tuesday evening.

An aerial photo of a research team standing on ice with a research vessel looming in the background.
Posted inNews

Ice Diatoms Glide at Record-Low Temperatures

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 October 20257 October 2025

New observations reveal how microscopic organisms move through polar ice and illustrate how they may have evolved to thrive in extreme environments.

A beach in the Florida Keys
Posted inNews

Shallow Injection Imperfectly Filters Florida Wastewater

by Caroline Hasler 26 September 202526 September 2025

Injection of wastewater into shallow wells is meant to filter nutrients like nitrogen and phosphorus out of the wastewater. But a new study suggests that nutrients aren’t entirely eliminated—and may be polluting coastal waters.

Bird’s-eye view of kelp beds sprawling over blue ocean surface
Posted inNews

Marine Protected Areas Show Promise for Kelp Forest Recovery

by Amelia Macapia 23 September 202523 September 2025

Kelp forests are under increasing stress as oceans warm, but decades of satellite data have revealed the importance of maintaining fishing-restricted areas for climate resilience.

Two men in a Zodiac navigate icy waters.
Posted inNews

A Fiber-Optic Cable Eavesdrops on a Calving Glacier

by Carolyn Wilke 22 September 202522 September 2025

A glass thread strung along the bottom of a fjord captured the entire process of calving, from the cracking of ice to the breakup of bergs.

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Features from AGU Publications

Research Spotlights

Key Driver of Extreme Winds on Venus Identified

19 November 202519 November 2025
Editors' Highlights

From Mantle Flow to River Flow: Shaping Earth’s Surface from Within

20 November 202519 November 2025
Editors' Vox

Echoes From the Past: How Land Reclamation Slowly Modifies Coastal Environments

19 November 202519 November 2025
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