Uncovering lakes of liquid methane and possible ice ... Yes, just like our own moon, Titan orbits a planet. But it actually looks and behaves more like an Earth. And that's why, for this mission ...

That's because it is the only planet or moon in the solar system other than Earth to possess an atmosphere as well as liquid ...

Part robot, part space drone, Dragonfly will make the 759,000-mile eight-year journey to Titan, Saturn's largest moon. Rivers, lakes, and seas across its surface are filled with not water ...

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.