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satellites

Artist’s impression of the future SWOT satellite making sea surface height observations, even through clouds.
Posted inScience Updates

Scientists Invited to Collaborate in Satellite Mission’s Debut

by R. Morrow, L.-L. Fu, F. D’Ovidio and J. T. Farrar 2 January 201922 July 2022

The Surface Water and Ocean Topography mission will begin by scanning Earth’s surface once a day. We invite ocean scientists to contribute ground-based measurements to compare with the satellite data.

Posted inEditors' Highlights

First Multi-Decade Simulation of the Earth’s Radiation Belt

by P. O’Brien 19 December 201827 March 2023

A new simulation of the Earth’s electron radiation belts captures large-scale variations over nearly three solar cycles, and replicates primary cyclical features and extreme behaviors.

Mars and WALL-E’s (MarCO-B) solar panel during flyby
Posted inNews

Hello, Goodbye: First Interplanetary CubeSats Zip Past Mars

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 4 December 20182 July 2025

The InSight lander safely arrived on Mars early last week. Two tiny spacecraft made up part of its communications array and transmitted landing data back to Earth.

Posted inEditors' Highlights

Seeing Waves: GNSS Tracking of Waves in the Upper Atmosphere

by Michael A. Hapgood 8 October 201813 April 2022

Dense GNSS networks enable scientists to track large-scale waves traveling through the upper atmosphere, away from sources in the auroral zone and the day/night terminator.

Horizontal black lines show weather satellite data loss from radio frequency interference in 2015.
Posted inOpinions

Wireless Frequency Sharing May Impede Weather Satellite Signals

by J. Gerth 8 October 20181 August 2022

The delivery of weather satellite imagery is reliable today, but will it stay that way in the future?

Posted inEditors' Highlights

Double Threat to Solar Panels in Space

by D. J. Knipp 4 October 201813 October 2021

Protons accelerated in solar storms and electrons accelerated in geospace storms can reduce space mission lifetimes. What is the likelihood of extreme events during geospace storms?

Icy Bay in Alaska’s Wrangell-Saint Elias Wilderness
Posted inNews

Global Ice Monitoring Satellite to Launch as Early as This Week

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 13 September 201828 July 2022

The soon-to-launch satellite will measure the height and thickness of sea ice, glaciers, ice sheets, and permafrost around the world to an unprecedentedly high precision.

This composite image shows the 2017 solar eclipse on 21 August as NPP passed over the southeastern United States.
Posted inScience Updates

Scientists Meet to Review Preparations for Satellite Launch

by T. Atkins, M. Divakarla and L. Zhou 29 August 201826 October 2021

Center for Satellite Applications and Research JPSS 2017 Annual Science Team Meeting; College Park, Maryland, 14–18 August 2017

A fishing vessel and a cargo vessel involved transshipment—likely illegal-- off the western coast of Africa in 2017.
Posted inNews

Illegal Seafood Supply Chains Can Now Be Tracked by Satellite

Katherine Kornei, Science Writer by Katherine Kornei 24 August 20188 November 2022

Researchers pinpoint more than 10,000 likely transfers of catches between fishing vessels and cargo ships at sea. Knowing where these transfers occur can help officials crack down on illegal activity.

Posted inEditors' Highlights

Forecasting the Threat from the Sun

by Michael A. Hapgood 3 August 201820 May 2022

Ensemble techniques are opening a path toward space weather forecasts that give deeper understanding of the risk posed by each solar storm that approaches our planet.

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Features from AGU Publications

Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

As Simple as Possible: The Importance of Idealized Climate Models

28 August 202526 August 2025
Editors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

21 August 202520 August 2025
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