A new analysis of three space storms reveals the mechanisms of particle loss from the Van Allen belts.
Space & Planets
Posted inEditors' Vox
A Wake-up Call from the Sun
A sudden burst of activity from the Sun in early September 2017 caused a wide range of space weather effects at Earth.
Posted inResearch Spotlights
Angles of Plasma Ropes near Mars Point to Different Origins
Variation in the orientation of flux rope features in Mars’s magnetotail suggests that some of them form on the planet’s Sun-facing side and travel to the night side.
Posted inResearch Spotlights
Probing the Cusps of Saturn’s Magnetic Field
Data from the Cassini spacecraft show that the cusp regions of Saturn’s magnetic field—where it connects to the Sun’s magnetic field—have similarities to Earth’s and also intriguing differences.
Posted inFeatures
Ten New Frontiers in the Solar System and Beyond
Humanity’s reach has extended from the surface of Earth to the very edge of our solar system, even to exoplanets far into space. What’s next in our journey into the unknown?
Posted inEditors' Vox
Choosing a Lunar Landing Site
A recent article in JGR: Planets described the geological characteristics of two candidate sites for the upcoming Chinese mission to the Moon.
Posted inNews
More Discoveries in the Cards from Defunct Comet Mission
A year after the end of the Rosetta mission, the real scientific fun begins.
Posted inEditors' Vox
Cassini’s Legacy in Print
With over 750 papers published in AGU journals based on Cassini-Huygens mission data, three editors select some of the most noteworthy.
Posted inNews
Pluto’s Features Receive First Official Names
Names of mountains, plains, valleys, and craters honor human and technological pioneers, Pluto scientists, and underworld mythology from around the world.
Posted inNews
Cassini Plunges into Saturn, Ends a 20-Year Mission
NASA’s Jet Propulsion Laboratory streamed the spacecraft’s final moments live, allowing the public to listen to the mission’s end.