When people think about moons, they usually picture small rocky companions circling much larger planets. Ganymede does not fit that picture. It travels around Jupiter, yet it is larger than Mercury, ...

Two of Jupiter’s most distinctive moons have crossed paths from Earth’s perspective, producing a striking celestial alignment. The event, known as a mutual occultation, shows how the orbital movements ...

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter's giant moon Ganymede is the only known moon to have its own magnetic field — and it may be heating up in a process "not ...

A new study suggests Ganymede—our neighborhood's biggest moon—still has a hot, churning core cranking out its unique magnetic field. Reading time 3 minutes Jupiter, the biggest planet in our solar ...

NASA is still on track to send its Dragonfly rotocraft to Saturn’s moon Titan by the end of the decade, and you can come ...

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With the term ‘supermoon’ trending all over social media, you may be wondering what it means and what the big deal about it really is. Well, like the name suggests, supermoon is a phenomenon in which ...