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ESA

Composite image of a solar eruption
Posted inNews

Watching a Solar Event from All Angles

by Collin Blinder 2 January 20252 January 2025

A fleet of spacecraft captured unprecedented details of the major solar outbursts in May and June 2024.

An image of Mars.
Posted inNews

Five Martian Mysteries That Have Scientists Scratching Their Heads

by Matthew R. Francis 2 November 20232 November 2023

Despite centuries of study and many spacecraft visits, the Red Planet still holds secrets. Here are just a few.

Mosaic of four images of Comet 67P/Churyumov-Gerasimenko
Posted inEditors' Highlights

Dancing Dust on Comet 67P/Churyumov-Gerasimenko

by Naomi Murdoch and Laurent G. J. Montési 19 July 202318 July 2023

Cometary activity moves sediments over the surface of 67P/Churyumov-Gerasimenko, with long-term sinks near the poles of the comet.

Map showing global distribution of volcanoes on Venus.
Posted inEditors' Highlights

A New View of Volcanism on Venus

by A. Deanne Rogers 12 April 202310 April 2023

Researchers present the most comprehensive catalog of Venusian volcanic edifices to date, providing new knowledge of the geological evolution of a relatively understudied planet.

An illustration of the Solar Orbiter positioned in front of the Sun.
Posted inAGU News

Brighter Skies Ahead

Heather Goss, AGU Publisher by Heather Goss 25 August 202217 January 2023

As solar max approaches, new tech is on call.

Orbits of the asteroids from the Gaia Data Release 3 up to Jupiter’s distance
Posted inNews

Galaxy Mapper Tracks Asteroids Closer to Home

by Jure Japelj 14 July 202214 July 2022

The Gaia mission’s asteroid survey will help dig deeper into the solar system’s rocky history.

Illustration of galaxies
Posted inNews

Wanted for Grand Theft Galaxy: The Milky Way

Rachel Crowell, Science Writer by Rachel Crowell 12 November 201910 January 2023

Several dwarf galaxies orbiting the Milky Way were likely stolen from the Large Magellanic Cloud.

Satellite image of a moon and rings of Saturn
Posted inNews

The Cassini Mission May Be Over, but New Discoveries Abound

Sarah Derouin, Science Writer by Sarah Derouin 17 July 201917 February 2023

New analysis of high-resolution images shows ring textures and disruptions within Saturn’s rings in unprecedented detail.

Rosalind Franklin, the upcoming rover in Europe’s ExoMars mission
Posted inNews

Future Mars Rover Named for DNA Pioneer Rosalind Franklin

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 February 201917 January 2023

The rover will explore a once water rich region on Mars’s surface and search for evidence of current and past life.

An enhanced-color image of Mercury
Posted inNews

Mercury Mission Will Map Morphology and Measure Magnetics

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 18 October 201817 January 2023

BepiColombo may launch as early as this weekend. It seeks to unravel the mysteries of Mercury’s geologic and magnetic past and map the small planet’s cratered surface.

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Features from AGU Publications

Research Spotlights

Proposed Experiment Could Clarify Origin of Martian Methane

12 May 202512 May 2025
Editors' Highlights

First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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