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NASA

Observed ion energy and time-of-flight spectra in Jupiter's northern and southern hemisphere
Posted inEditors' Highlights

First Inside Look at Hot and Cold Ions in Jupiter’s Ionosphere

by Andrew Yau 23 September 201911 August 2022

The first in-situ ion observations from NASA’s Juno spacecraft reveal the surprising, simultaneous presence of cold protons and hot oxygen and sulfur ions in the high-latitude ionosphere of Jupiter.

View of Chesapeake Bay from the Philip Merrill Environmental Center in Annapolis, Md.
Posted inScience Updates

Scientists and Planners Face Challenge of Rising Seas

by B. D. Hamlington, C. Boening and H. P. Brennan 14 August 201913 March 2023

NASA Sea Level Change Team Meeting; Annapolis, Maryland, 11–13 March 2019

Images of blue circles around the yellowballs
Posted inNews

The “Yellowball” Catalog and the Citizen Science That Helped Define It

Rachel Crowell, Science Writer by Rachel Crowell 26 July 20195 January 2023

The online community of the Milky Way Project citizen scientists helped scientists identify compact star-forming regions now known as yellowballs.

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.

Photo of a shiny rock labeled 60015.1
Posted inNews

Podcast: Apollo Moon Rocks

Nanci Bompey, assistant director of AGU’s media relations department by N. Bompey 15 July 201917 June 2022

In the latest episode of its Centennial series, AGU’s Third Pod from the Sun interviews the curator of the Apollo Moon rocks.

Posted inFeatures

How Cassini Ran Rings Around Saturn and What It Helped Us Learn

Damond Benningfield, Science Writer by Damond Benningfield 3 July 201911 January 2022

Once and future rings: During its final 22 orbits, the Cassini spacecraft provided a completely new look at one of our solar system’s most famous features.

Posted inFeatures

Apollo’s Legacy: 50 Years of Lunar Geology

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 1 July 201925 March 2022

Samples of the Moon’s surface brought back by Apollo astronauts ushered in a new era of planetary science. Scientists today continue the legacy.

Posted inGeoFIZZ

Spirits Are Flying High for Dragonfly and Titan

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 28 June 201917 January 2023

We’re sending a mission back to Titan, and it’s time to celebrate.

People in lab safety gear adjust a machine
Posted inNews

Ultraprecise Clock Will Facilitate Space Exploration

Katherine Kornei, Science Writer by Katherine Kornei 21 June 20195 July 2022

NASA’s Deep Space Atomic Clock, slated to launch later this month for a demonstration flight, will help spacecraft more efficiently navigate the solar system.

Apollo 11 rocket blasts off
Posted inNews

New Book Examines the Legacy of Apollo

by Randy Showstack 21 May 201926 January 2022

As the 50th anniversary of the Apollo 11 lunar landing nears, a new book looks back on the race to the Moon.

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Features from AGU Publications

Research Spotlights

More Bubbles Means More Variation in Ocean Carbon Storage

8 July 20258 July 2025
Editors' Highlights

The Power of Naming Space Weather Events

10 July 20258 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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