Plumes on Saturn’s moon Enceladus are dumping methane into space—fast. Something must be resupplying the organic compound.
The rings are fairly shiny despite being bombarded by dust, indicating that they haven’t been around for very long.
More than 21,000 pits, depressions, and closed valleys on Titan may provide access to underground voids or caves.
Named Chrysalis, the moon could have disintegrated during a close encounter with the gas giant roughly 100 million years ago.
Atmospheric winds moving at more than 7,000 kilometers per hour distort Saturn’s magnetic field, revealing why spacecraft have measured changes in the length of a day on the ringed world.
Saturn’s oddly symmetrical magnetic field can be explained by models in which the active dynamo region is overlain by a thick, stable layer cooled more strongly at the poles.
The electron density peaks well after the activity of the moon’s distinctive south polar ice plume reaches its maximum, but the cause of the lag remains puzzling.
The Cassini spacecraft observed spiral density waves in the rings of Saturn which can be used to probe its interior structure and rotation.
In 2018, four massive storms formed near the planet’s north pole, interacting with each other and affecting a full latitudinal band.
In the tightly confined region between the innermost ring and the planet’s upper atmosphere, the Cassini spacecraft observed signatures of a previously undetected current system.