A new study suggests alternative explanations for Io’s unusual magnetic field.
moons
Posted inNews
New Tiny Moon of Neptune Discovered
The moon’s size and orbit point to it being the remnant of a collision with Neptune’s moon Proteus.
Posted inResearch Spotlights
New Hints About How Martian Moons Formed
A new study finds that Phobos includes chunks of Martian crust.
Posted inNews
Large Exomoon Likely Orbits a Faraway World
This Neptune-sized object would be the first moon discovered to orbit a planet outside the solar system, provided that additional observations continue to support the claim.
Posted inResearch Spotlights
How Jupiter’s Icy Moons Got Their Bands and Grooves
Europa’s churning ice crust could reveal signs of ocean life, new study suggests.
Posted inNews
Ten New Moons Discovered Around Jupiter
The newly plotted moons of Jupiter include one “oddball” that orbits in the wrong direction and may be the remnant of a head-on collision.
Posted inNews
Four Planetary Landscapes That Scientists Can’t Explain
These are just a handful of the hundreds of mysterious features across our solar neighborhood that beg to be studied closer.
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
Iapetus's Ridge: The Result of Many Small Impacts?
A ridge around Saturn's third-largest moon has scientists scratching their heads.
Posted inNews
New Images of Pan, Saturn's Walnut Moon, in Unprecedented Detail
The finely detailed images can help future scientists study small bodies with weak gravity.