A closer look at previously disregarded observations reveals stronger evidence that a deep ocean lies beneath Callisto’s icy surface.
moons
Posted inFeatures
A Dragonfly for Titan
A new eight-rotor robotic probe will head to the solar system’s most Earth-like moon. Here’s what its team is doing to prepare.
Posted inNews
Pluto Captured Charon with a Kiss
A newly understood collision mechanism could explain some peculiarities of Pluto and its moons.
Posted inNews
Io Probably Doesn’t Have a Global Magma Ocean After All
Data from the Juno spacecraft may have answered a decades-old question about Jupiter’s moon.
Posted inNews
Pluto’s Small Moons Are Unlike Any Other
The strange blend of surface chemistry on Nix and Hydra raises big question about the evolution of the Pluto system.
Posted inEditors' Highlights
The Explosive Origins of Titan’s Rampart Craters
In a new study, volcanic explosions are explored and modeled to understand the possible origins of rampart craters on Titan and determine whether their formation can source atmospheric methane.
Posted inNews
Clipper Sets Sail for an Ocean Millions of Miles Away
Europa Clipper will assess whether Jupiter’s moon has the right ingredients to host life, and could illuminate the mysteries of icy worlds throughout the solar system.
Posted inEditors' Highlights
Investigating Origins of CO2 Ice on Uranian Moons
A new study investigates the role of volatile migration in the unique Uranian thermal environment.
Posted inEditors' Highlights
Unveiling the Origins of Dome Craters on Ganymede and Callisto
Large craters with broad central domes are a unique crater morphology on Jupiter’s largest icy moons: Ganymede and Callisto. A new study examines how remnant impact heat may lead to their formation.
Posted inResearch Spotlights
Supersharp Images Reveal Scars of Major Eruption on Io
Jupiter’s volcanic moon is captured in exquisite detail by an instrument atop a mountain in Arizona.