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Green ocean mixed with blue close to a brown land
Posted inNews

More Than Half the World’s Ocean Surface Is Getting Greener

by Meghie Rodrigues 22 August 202322 August 2023

Advances in data analysis help researchers spot shifting ocean colors, which could be associated with climate change.

Christopher Kyba studies light pollution and sustainable lighting solutions.
Posted inFeatures

Christopher Kyba: Luck in Light Pollution

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 July 202326 July 2023

A series of serendipitous encounters shaped Kyba’s path from particle physicist to dark sky defender.

农作物在试验农场的光伏阵列下生长。
Posted inResearch Spotlights

农业与太阳能的互利共生

Aaron Sidder, freelance science writer by Aaron Sidder 14 July 202318 July 2023

不断增长的人口需要更多的食物和能源,而这些都在争夺有限的空间……除非能改变这样的竞争局面。

Crops grow beneath a photovoltaic array at an experimental farm site.
Posted inResearch Spotlights

A Symbiosis Between Agriculture and Solar Power

Aaron Sidder, freelance science writer by Aaron Sidder 18 May 202314 July 2023

A growing population requires more food and energy, which compete for limited space…unless they don’t.

Photo looking down on Earth from a satellite, showing red and green streaks flickering in the atmosphere
Posted inNews

Eavesdropping on the Vibrations of Earth’s Magnetic Bubble

by Erin Martin-Jones 9 May 202316 May 2023

A NASA-funded crowdsourced science project has converted the unheard sounds resonating inside Earth’s magnetic shield into audible tracks, revealing an orchestra of whistles, wooshes, and chirps.

Satellite view of a swirling green bloom of phytoplankton set in the dark blue ocean.
Posted inScience Updates

Carbon In, Carbon Out: Balancing the Ocean’s Books

by Ryan Vandermeulen 27 April 202325 January 2024

Scientists have developed a consensus guide of standard protocols for how best to measure oceanic primary productivity, a key component in Earth’s carbon cycle.

A long cylinder of ice on a table
Posted inNews

Ice Cores Record Long-Ago Seasons in Antarctica

by Caroline Hasler 17 March 202316 May 2023

Researchers used ice core data to reconstruct seasonal temperatures throughout the Holocene. The results link especially hot summers with patterns in Earth’s orbit.

The laser device sits on top of Mount Säntis, shooting a green laser into a cloudy sky.
Posted inNews

How to Bend Lightning with a Laser Beam

by Bill Morris 24 February 202324 February 2023

For the first time, scientists have redirected lightning using a laser beam. And that’s just the start of what’s possible.

Schematic representation of the model presented in this study.
Posted inEditors' Highlights

What Electrons Can Tell Us About the Speed of Sand

by Harrison Gray 13 February 202328 March 2023

A new sediment tracer uses the interactions between radiation, charge, and the Sun to uncover the hidden transport histories of sand grains.

Illustration of a forest on the left side beneath a dark, starry sky that transitions to a cityscape on the right side, with bright lighting
Posted inNews

Starry Nights Are Disappearing

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 February 2023

Stars dim as the sky gets brighter, a result of expanding cities and bright LEDs. Simple low-tech changes can help preserve dark night skies.

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A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

On the Origins of Subantarctic Mode Waters

2 June 20252 June 2025
Editors' Highlights

Seasonal Iron Cycle and Production in the Subantarctic Southern Ocean

29 May 202529 May 2025
Editors' Vox

Keeping Soil Healthy: Why It Matters and How Science Can Help

29 May 202529 May 2025
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