Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other ...

Wondering what there is to love about Jupiter? The Jovian giant has many reasons that are worthy of your affection, whether ...

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

The solar system is home to bizarre moons like Enceladus and Callisto, each unveiling nature’s wonders and some of science’s ...

a moon with an enormous subsurface ocean that may have conditions to support life. The largest ... NASA's Hubble Watches Jupiter's Great Red Spot Behave Like a Stress Ball Oct. 9, 2024 ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...