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 planetary ...

A colossal asteroid slammed into Jupiter's largest moon Ganymede with so much power it dramatically and permanently ...

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

The smashups are thought to have occurred at least 100 million years ago, but the moons they created are new to astronomers.

If you find Jupiter, you’ll likely see four small dots to the side of the gas giant: they are the Galilean moons, four of the 95 natural satellites around the Solar System’s largest planet.

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

NASA's Europa Clipper is about to use Mars' gravitational pull to slingshot itself as it makes its way to Jupiter's fourth-largest moon later this week. The craft launched from the agency'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 ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

But it hasn't always been this way. Jupiter's four largest moons – Io, Europa, Ganymede and Callisto – were the first ever ...