A nuclear-powered drone will soon become the first aircraft to explore an alien world, searching Titan's methane seas and organic-rich dunes for signs that life might exist in the most unexpected place in our solar system.
Picture a car-sized machine sitting on an orange, frozen plain. It powers up eight rotors, rises into a hazy sky and flies to a place no spacecraft has ever touched. After landing, it drills into the… [+5130 chars]