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moons

A shiny vehicle with sled skids and four pairs of helicopter-like blades flies over reddish sand dunes.
Posted inFeatures

A Dragonfly for Titan

by Matthew R. Francis 14 February 202514 February 2025

A new eight-rotor robotic probe will head to the solar system’s most Earth-like moon. Here’s what its team is doing to prepare.

Images of Pluto and Charon on a black background.
Posted inNews

Pluto Captured Charon with a Kiss

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 30 January 202530 January 2025

A newly understood collision mechanism could explain some peculiarities of Pluto and its moons.

A hemisphere image of a pink-tinged volcanic world
Posted inNews

Io Probably Doesn’t Have a Global Magma Ocean After All

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 12 December 202410 January 2025

Data from the Juno spacecraft may have answered a decades-old question about Jupiter’s moon.

Side-by-side images of irregularly shaped gray/brown rocks in space.
Posted inNews

Pluto’s Small Moons Are Unlike Any Other

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 December 202410 December 2024

The strange blend of surface chemistry on Nix and Hydra raises big question about the evolution of the Pluto system.

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.

Spacecraft with large solar panels flies in front of Jupiter
Posted inENGAGE, News

Clipper Sets Sail for an Ocean Millions of Miles Away

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 11 October 202415 October 2024

Europa Clipper will assess whether Jupiter’s moon has the right ingredients to host life, and could illuminate the mysteries of icy worlds throughout the solar system.

Photo of Ariel, one of Uranus’ moons.
Posted inEditors' Highlights

Investigating Origins of CO2 Ice on Uranian Moons

by Amanda Hendrix 29 August 202427 August 2024

A new study investigates the role of volatile migration in the unique Uranian thermal environment.

Images of 3 craters.
Posted inEditors' Highlights

Unveiling the Origins of Dome Craters on Ganymede and Callisto

by Kelsi Singer 23 July 202422 July 2024

Large craters with broad central domes are a unique crater morphology on Jupiter’s largest icy moons: Ganymede and Callisto. A new study examines how remnant impact heat may lead to their formation.

A mostly rectangular, man-made structure several stories tall sits among trees along a mountain ridge, against a dim sky. The structure is mostly white colored and has two large, round telescope dishes nested in between taller sections of the building and angled skyward.
Posted inResearch Spotlights

Supersharp Images Reveal Scars of Major Eruption on Io

Sarah Stanley, Science Writer by Sarah Stanley 3 July 20243 July 2024

Jupiter’s volcanic moon is captured in exquisite detail by an instrument atop a mountain in Arizona.

在前景中,明亮的蓝白色喷射物从一个弯曲的蓝白色表面散发出来,映衬着星空背景,附近有一个金色的环状行星和两个较小的类似卫星的球体。
Posted inResearch Spotlights

在土卫二上寻找生命:我们应该问些什么问题?

Sarah Stanley, Science Writer by Sarah Stanley 11 June 202411 June 2024

在冰冷的海洋世界中,建立在有机化学进化理论基础上的研究框架,可能会比仅仅寻找生命存在的直接证据,带来更深刻的见解。

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

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3 September 20261 September 2026
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AGU Launches New Special Collection at the Nexus of Science and Policy

3 September 20263 September 2026
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