The delicate form of the crescent moon is set to draw close to the planet Jupiter in the post-sunset sky on April 29, before ...

Jupiter's Callisto is the third-largest moon in the solar system, featuring deep craters that reveal fresh ice beneath, spreading bright ejecta debris across its rugged surface. Io, the innermost ...

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point of interest on Jupiter's moon Io. For example, one X u ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

The discovery has raised a lot of questions. How do you spot moons, and why hadn’t anybody seen these ones already? Doesn’t Jupiter have the most moons? What are they going to call all these ...

Mars and the moon will also be in conjunction tonight. If you're lucky enough to have clear skies tonight, you can catch a ...

Liftoff! NASA's Europa Clipper Sails Toward Ocean Moon of Jupiter Oct. 14, 2024 — NASA's Europa Clipper has embarked on its long voyage to Jupiter, where it will investigate Europa, a moon with ...

The Voyager 1 spacecraft had flown past this moon of Jupiter, catching the first glimpse of active volcanism on a world other than Earth. Umbrella-shaped outbursts of magmatic matter rocketed into ...