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planetary atmospheres

Three images of the Jovian moon Io show different distributions of colors. The far left image has a spot of red and yellow at bottom left, and the other two images each have a spot of red and yellow in the top half.
Posted inResearch Spotlights

Webb Telescope Spies Io’s Volcanic Activity and Sulfurous Atmosphere

Sarah Stanley, Science Writer by Sarah Stanley 4 November 20254 November 2025

New James Webb Space Telescope images reveal cooling lava, volcanic sulfur monoxide gas, and sulfur gas emissions created by interactions between plasma and the moon’s atmosphere.

两个人站在靠近冰水和冰川的雪景中,举着一根大约是他们两倍高的黑色杆子。
Posted inResearch Spotlights

微生物能在地球大气中繁衍生息吗?还是仅能勉强存活?

by Rebecca Owen 25 September 202525 September 2025

一种自下而上的建模方法让科学家得以更深入地了解大气中的微生物群落。

Dos personas se encuentran en un paisaje nevado, cerca de aguas heladas y glaciares, sosteniendo un poste negro que tiene aproximadamente el doble de su altura.
Posted inResearch Spotlights

¿Pueden los microorganismos prosperar en la atmósfera terrestre o simplemente sobreviven allí?

by Rebecca Owen 9 September 20259 September 2025

Un enfoque de modelización ascendente podría acercar a los científicos a la comprensión de las comunidades de microbios en la atmósfera.

In this bird’s-eye satellite view, light brown peaks and valleys appear beneath a thin, grayish-white haze of foggy cloud cover that varies in translucence.
Posted inResearch Spotlights

First Complete Picture of Nighttime Clouds on Mars

Sarah Stanley, Science Writer by Sarah Stanley 11 August 202519 August 2025

Data captured by the Emirates Mars Mission reveal that clouds are typically thicker during Martian nighttime than daytime.

Two people stand in a snowy landscape near icy water and glaciers, holding up a black pole that is about twice as tall as them.
Posted inResearch Spotlights

Can Microorganisms Thrive in Earth’s Atmosphere, or Do They Simply Survive There?

by Rebecca Owen 7 August 202525 September 2025

A bottom-up modeling approach could bring scientists closer to understanding communities of microbes in the atmosphere.

An illustration of an orange-yellow star releasing a massive flare and stellar material along a magnetic loop that connects with a nearby red planet that is outgassing its atmosphere.
Posted inNews

Exoplanet Triggers Stellar Flares and Hastens Its Demise

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 5 August 20255 August 2025

HIP 67522 b can’t stop blasting itself in the face with stellar flares, a type of magnetic interaction that scientists have spent decades looking for.

A silver-colored spacecraft orbits above a red-colored planet with craters visible on its surface.
Posted inNews

Scientists Spot Sputtering on Mars

Katherine Kornei, Science Writer by Katherine Kornei 24 June 202524 June 2025

Nearly a decade’s worth of data went into the first direct observation of sputtering on Mars, which researchers believe contributed to the loss of the Red Planet’s atmosphere.

An illustration of a red and orange gaseous planet in front of a yellow star
Posted inNews

First 3D Map of Exoplanet Weather Reveals Superfast Jet

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 17 March 202517 March 2025

New observations also answer a long-standing question about where this ultrahot planet keeps its titanium.

An artist’s depiction of Venus. An earthquake, shown as concentric circles, is measured by a lander on the surface, a balloon in the atmosphere, and an orbiter.
Posted inResearch Spotlights

Three Ways to Track Venusquakes, from Balloons to Satellites

by Nathaniel Scharping 26 November 202426 November 2024

The planet’s harsh conditions make studying seismicity challenging, but it is likely possible.

Titan's rampart craters.
Posted inEditors' Highlights

The Explosive Origins of Titan’s Rampart Craters

by Amanda Hendrix 21 November 202420 November 2024

In a new study, volcanic explosions are explored and modeled to understand the possible origins of rampart craters on Titan and determine whether their formation can source atmospheric methane.

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Features from AGU Publications

Research Spotlights

Webb Telescope Spies Io’s Volcanic Activity and Sulfurous Atmosphere

4 November 20254 November 2025
Editors' Highlights

Marine Heatwaves Reshape Precipitation Patterns

6 November 20256 November 2025
Editors' Vox

Publishing Participatory Science: The Community Science Exchange

20 October 202517 October 2025
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