With such a map, the Europa Clipper will be able to orient itself for the long trek to Jupiter's icy moon, Europa. As such, onboard are a pair of small cameras called star trackers, which capture ...

One of Jupiter's 95 known moons, Europa is almost the size of our own moon. It’s encased in an ice sheet estimated to be 10 miles to 15 miles or more (15 kilometers to 24 kilometers) thick.

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 ...