The goal is to reach Europa, the smallest of the planet's four Galilean ... Agency's Jupiter Icy Moon Explorer (JUICE) — which will also be exploring Europa, in addition to its larger cousins ...

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

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

With a whopping total of 274 moons, researchers say Saturn’s tug of war with Jupiter for the title is settled once and for ...

Saturn has decisively claimed the crown. With the discovery of 128 new moons, the ringed planet’s total count has soared to 274 — nearly twice as many as all other planets combined. Jupiter now trails ...

Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto – were the ... So for Saturn in particular, irregular moons ...

Jupiter's four largest moons – Io, Europa, Ganymede and Callisto – were the ... In the lower image we can see Saturn with its ...