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Oceans

Clouds hang low over the skyline of the city of Tokyo.
Posted inResearch Spotlights

Marine Heat Waves Can Exacerbate Heat and Humidity over Land

Sarah Derouin, Science Writer by Sarah Derouin 2 January 20262 January 2026

Researchers found the unprecedented 2023 East Asian marine heat wave increased land temperatures and humidity by up to 50%.

A healthy coral reef showing a great diversity of species. Small fish swim among the coral.
Posted inAGU News

Preserving Corals to Study the Past and Document the Present

by Caryl-Sue Micalizio 1 January 20261 January 2026

Corals hold valuable hints about our planet’s climate history, and they’re continuing to document today’s changing ocean. Scientists are working to preserve and protect these reefs of evidence.

A view of blue water and snow- and vegetation-covered landmasses seen from far above Earth’s surface.
Posted inNews

New Eyes on One of the Planet’s Largest Submarine Landslides

Katherine Kornei, Science Writer by Katherine Kornei 22 December 202522 December 2025

Researchers have mapped the ancient Stad Slide off the coast of Norway to better understand what triggered it, and the hunt is on for the tsunami it might have unleashed.

Jewel, a red-headed woman dressed in a blue jacket, speaks at a podium. Two other people are sitting at the table to her right.
Posted inResearch & Developments

Sculpture by Singer-Songwriter Jewel Incorporates Near Real-Time NASA Ocean Data

by Grace van Deelen 18 December 202519 December 2025

The soundscape changes in accordance with near real-time Atlantic Ocean conditions, as the data updates every 12 minutes. “If it’s raining, the piece looks and sounds different. If it’s stormy, the piece is different. It’s a living instrument that the ocean gets to play in real time,” Jewel said.

A new analysis of atmospheric patterns over Hawaii could improve forecasts of rainfall anomalies.
Posted inNews

Globe-Trotting Weather Pattern Influences Rainfall in Hawaii

by Kari Goodbar 18 December 202518 December 2025

Isolated islands that depend on rainfall could benefit from improved forecasting of near-future events, and understanding the Madden-Julian Oscillation could hold an important key.

A backward C-shaped swirl of milky blues and greens appears against a deep blue background. In the foreground, toward the edges of the image, clouds appear as white patches.
Posted inResearch Spotlights

Wintertime Spike in Oceanic Iron Levels Detected near Hawaii

Sarah Stanley, Science Writer by Sarah Stanley 11 December 202511 December 2025

Seasonal rainfall and runoff of sediments from the Hawaiian Islands could be responsible for the previously undetected peak.

Coral reef with healthy corals and corals with signs of bleaching.png Alt text: Sun shines onto a coral reef with a mix of bleached and healthy coral.
Posted inNews

Could Stratospheric Aerosol Injection Help Save Corals from Bleaching?

by Albert Chern 10 December 20251 January 2026

New research indicates a well-studied form of climate intervention might at least buy time for many at-risk reefs.

A blue and white sign depicting large waves approaching a shoreline as a stick figure person runs away is affixed to fencing near the shoreline. Waves crash against rocks in the background.
Posted inOpinions

When Should a Tsunami Not Be Called a Tsunami?

by Diana J. M. Greenslade and Matthew C. Wheeler 8 December 20258 December 2025

It’s time to redefine the term so it more clearly conveys meaningful risks to coastal communities and prompts them to act when needed.

Two large red and white ships cut through ice.
Posted inResearch Spotlights

Tiny Turbulent Whirls Keep the Arctic Ocean Flowing

by Saima May Sidik 8 December 20258 December 2025

Centimeter-sized turbulence controls the rate at which the Arctic Ocean churns.

Nine researchers pose for a photo outside a concrete building with a sign reading “Bolinao Marine Laboratory, The Marine Science Institute, University of the Philippines.”
Posted inNews

A Cryobank Network Grows in the Coral Triangle

by J. Besl 5 December 20251 January 2026

As the ocean becomes increasingly inhospitable for corals, researchers in the Coral Triangle are turning to cryopreservation to freeze, thaw, and save the region’s hundreds of coral species.

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Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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