The bright aurorae dancing in the sky are produced by charged particles traveling along the magnetic field lines from tens of planetary radii. By why do aurorae rotate at Saturn but not at Earth?
Saturn
Posted inEditors' Highlights
Earth-like Oscillations Detected in Saturn’s Stratosphere
By comparing Cassini observations spanning ten years, Saturn’s equatorial oscillation is shown to have similarities to Earth’s Quasi-Biennial Oscillation and Semi-Annual Oscillation.
Posted inEditors' Highlights
A Close-in Look at Saturn’s Periodic Space Bubble
When it comes to Saturn’s space environment, summer wins over winter in controlling the periodic flows of electrically charged particles and magnetic fields.
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 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
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.
Posted inNews
A Wealth of Science to Come During Cassini’s Final Orbits
NASA’s spacecraft will continue to unlock Saturn’s mysteries up until the moment it burns up in Saturn’s atmosphere.
Posted inFeatures
Saturn Unveiled: Ten Notable Findings from Cassini-Huygens
The soon-to-end NASA mission to Saturn changed the way we think of habitability beyond Earth, opened our eyes to dynamics in the gas giant’s atmosphere, and more.
Posted inResearch Spotlights
Where Are the Electrical Currents in the Enceladus Plume?
A plume of water ice that escapes Saturn’s moon Enceladus should be coursing with electrical currents, but data are mixed. Now simulations suggest that a sticky dust cloud may shield signals.
Posted inNews
Iapetus's Ridge: The Result of Many Small Impacts?
A ridge around Saturn's third-largest moon has scientists scratching their heads.