Jamie Carter is an award-winning reporter who covers the night sky. Icy moon Ganymede—which JUICE will orbit—appears as a gray, mottled orb crossing the face of Jupiter ... [+] in this image ...

Ganymede, Callisto and Europa. It's fair to say that of all the moons, it’s Io—the most volcanic world in the solar system—that inspired the most elaborate movement. “It’s constantly ...

The GAnymede Laser Altimeter (GALA) for ESA's JUICE mission to Jupiter consists of two electronics units and an optical component containing the laser and the telescope for the receiver. When ...