A waxing Moon brightens the sky as we catch our last looks at Uranus and view Venus, Mercury, Jupiter, and Mars in the sky ...

That treat, a photo of the Jupiter moon Ganymede snapped on July 20, comes compliments of Juno's JIRAM, or Jovian Infrared Auroral Mapper. Jupiter's moon, Ganymede, captured by the Juno probe just ...

Jupiter's largest moon Ganymede is generating "killer" waves of electrons that astronomers say could damage spacecraft going on future missions. These electromagnetic waves can be found all around ...

Ganymede, and Callisto. The Moon is non-luminous, meaning that it does not produce light. We see the Moon because it reflects light from the Sun, and half of the Moon’s surface is always ...

The thought of an asteroid impact is scary enough, let alone witnessing one. One such impact killed the dinosaurs 65 million years ago, and now it seems another space rock had a dramatic effect on ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

Towards the end of the mission, the JUICE probe dedicates its experiments in detail to the largest moon in our Solar System, Ganymede. The focus is on a suspected ocean under a kilometre-thick ice ...

After that, Europa is closer to the gas giant than Ganymede. Meanwhile, over at Jupiter, Io begins a transit just after ...

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.

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 ...