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Oceans

Dry riverbed of Solimões River, in the upper Amazon basin.
Posted inNews

Almost a Year in, Drought in the Amazon Is Far from Over

by Meghie Rodrigues 21 February 202422 October 2024

Strengthened by climate change, northern Brazil’s dry spell might last longer than originally fore-cast, with lingering ecological and economic consequences.

A black and white satellite image shows sea ice, with cracks appearing bright white, beside snow-covered landfast ice (gray) and land (dark).
Posted inScience Updates

Monitoring Polar Ice Change in the Twilight Zone

by Ted Scambos, Christopher Shuman, Mark Fahnestock, Tasha Snow and Christopher Crawford 20 February 202426 February 2026

Landsat’s new extended data collection program is mapping Arctic and Antarctic regions year-round, even in polar twilight.

Colorful multibeam bathymetry shows pits likely created by porpoises on the seafloor. Some pits have merged together to create bigger conjoined pits.
Posted inNews

Mysterious Seafloor Pits May Be Made on Porpoise

by Andrew Chapman 15 February 202415 December 2025

Some shallow seafloor depressions off the coast of Germany that look like those associated with methane might instead be the work of porpoises.

An iceberg floats in the ocean near Antarctica.
Posted inNews

Antarctica’s Ocean Acidity Set to Rise Rapidly by Century’s End

by Nathaniel Scharping 9 February 202411 March 2024

New research shows acidity levels could as much as double by 2100, imperiling fragile ecosystems in the frigid Southern Ocean.

这张木星卫星木卫二的照片显示了它的表面地质情况:带有棕色条纹的白色表面。
Posted inResearch Spotlights

科学家研究木卫二的热量如何通过海洋向上传递

by Rebecca Owen 9 February 2024

木星的卫星木卫二可能是太阳系中最有希望寻找到生命的地方之一。一项新的研究探讨了热量是如何从木卫二的地幔通过海洋转移到其冰壳中的。

Scientists on a boat lowering a seismometer into the water.
Posted inEditors' Vox

The Not-So-Silent Depths

by Gaye Bayrakci and Frauke Klingelhoefer 9 February 202412 February 2024

A new book reveals that ocean depths are far from silent voids, but are actually alive with noise.

An aerial photograph of a glacier that terminates at the sea.
Posted inENGAGE, News

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.

Un pulpo rojo flota en agua con putos blancos
Posted inNews

Los microplásticos son el ingrediente no tan secreto de la nieve marina

by Molly Herring 7 February 20247 February 2024

Partículas diminutas de plástico degradadas y cubiertas por biopelículas se hunden hasta el fondo marino llevando consigo carbono.

An outcropping of coral on Australia’s Great Barrier Reef. The coral has various textures and is pink, purple, and red in tone.
Posted inResearch Spotlights

Metals Could Reveal Corals’ Past Lives

by Nathaniel Scharping 6 February 20246 February 2024

Examining the role of stable metal isotopes in biological activities such as photosynthesis provides a promising new avenue of research into how coral responds to environmental stressors.

An orange sponge growing on top of a brown coral.
Posted inNews

Oceans May Have Already Seen 1.7°C of Warming

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 5 February 202412 February 2024

The global warming clock started ticking decades earlier than current estimates assume, according to Caribbean sponges.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Comparing Machine Learning Models of Raindrop Formation

8 July 20268 July 2026
Editors' Highlights

A Satellite-Based Global Carbon Flux Product is Sensitive to Droughts 

8 July 20266 July 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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