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solar system

Gray and cratered Mimas hovers in front of Saturn with its rings seen edge on.
Posted inNews

That’s No Moon; It’s an Ocean World

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 February 20248 January 2025

If Saturn’s cratered moon Mimas has liquid water beneath its surface, ocean worlds might be far more common in the solar system than we thought.

Whirls, arches, and streamers of red and yellow are overlaid on a hazy background, with a bright white blur of light near the center.
Posted inFeatures

The 21st Century’s “Music of the Spheres” 

Damond Benningfield, Science Writer by Damond Benningfield 21 December 20237 March 2024

Scientists and artists are giving voice to everything from planets to black holes, enriching the research experience and bringing wonders of the universe to new audiences.

Luna de la Tierra
Posted inNews

La Luna es incluso más antigua de lo que los científicos pensaban

by Matt Hrodey 7 December 20237 December 2023

¿Cómo se formó la Luna y cuántos años tiene? La datación más precisa hasta el momento del satélite más grande de la Tierra determinó que es mucho más antigua de lo que se pensaba previamente.

A red object with two lobes connected by a thin neck.
Posted inNews

Arrokoth’s Mounds Hint at How Planetesimals Form

Javier Barbuzano, Science Writer by Javier Barbuzano 17 November 202317 November 2023

The most remote world ever seen up close is a mash-up of smaller pieces.

Earth’s moon
Posted inNews

The Moon Is Even Older Than Scientists Thought

by Matt Hrodey 6 November 20237 December 2023

How did the Moon form and how old is it? The most precise dating yet of Earth’s largest satellite found that it is much older than previously thought.

A spacecraft consisting of a bright central box and two cross-shaped solar panels flies above the jagged landscape of a large asteroid.
Posted inNews

Getting Psyched Up for an Asteroid Mission

Damond Benningfield, Science Writer by Damond Benningfield 4 October 20235 October 2023

The first mission to a metallic asteroid, scheduled for launch on 5 October, could provide clues to the formation of Earth and the solar system’s other inner planets.

Illustration of a water-covered planet viewed from its surface: In the foreground is rippling water reflecting pink, yellow, and white light from a glowing phenomenon in the distance, in the middle of the illustration. Surrounding the bright phenomenon are bright stars and translucent clouds visible in front of a dark background.
Posted inAGU News

Oceans of Opportunity

by Caryl-Sue Micalizio 25 September 202329 September 2023

Our solar system’s ocean worlds offer scientists intriguing instances of exotic phenomena and fresh prospects in the elusive search for planetary habitability.

A time-lapse of images taken by OSIRIS-REx during its touch-and-go maneuver, with the spacecraft arm centered in this video.
Posted inNews

There and Back Again: Asteroid Samples Return to Earth

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 21 September 202325 September 2023

OSIRIS-REx will help reveal Bennu’s detailed carbon chemistry and history of space weathering and unlock a key piece of the solar system’s early history.

A grayscale image of the Moon’s surface shows bumps, ridges, and craters on the Moon’s farside.
Posted inNews

Rare Granite Body Discovered on Moon’s Farside

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 16 August 202316 August 2023

The granite couldn’t have formed the same way that it does on Earth—with liquid water and plate tectonics. So how did it get there?

A close-up image of the Moon showing a single large crater surrounded by a field of smaller craters
Posted inResearch Spotlights

Decrypting Lunar Craters Quickly and Easily

by Saima May Sidik 14 July 202314 July 2023

Machine learning can reveal the stories written in the marks on the Moon.

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Features from AGU Publications

Research Spotlights

Mapping the Ocean Floor with Ancient Tides

6 May 20256 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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