NASA's Voyager probes passed through Jupiter's system and snapped pictures of its largest moons, also known as the Galilean ...

The star trackers — formally known as the stellar reference units — provide guidance by taking pictures ... investigating Europa’s composition; and characterizing the moon’s geology.

NASA’s Europa Clipper craft was launched aboard a SpaceX rocket, aiming to conduct its first mission to study Jupiter’s icy ocean moon Europa. Photo: John Raoux/AP ...

Earth might seem special in this regard but water is actually fairly abundant in our system, and Jupiter’s icy moon Europa is quickly becoming a prime candidate in the search for life.

The spacecraft will skim as low as 16 miles (25 kilometers) above Europa — much closer than the few previous visitors. Onboard radar will attempt to penetrate the moon's ice sheet, believed to ...