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

Juno is scheduled for an upcoming flyby of Jupiter on May 7, during which it is set to carry out a close approach of the Jovian moon Io at a distance of about 55,300 miles (89,000 kilometers).

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 ...

View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.

Finally, the researchers emphasized how a sample return mission could help planetary scientists gain greater insight into planetary formation and evolution, specifically Jupiter and its moons.

NASA's Europa Clipper mission has launched to study Jupiter's icy moon Europa, which may harbor a potentially habitable ocean ...

Mars and the moon will also be in conjunction tonight. If you're lucky enough to have clear skies tonight, you can catch a "mini planet parade" as Mars and Jupiter appear alongside a half-lit moon in ...

Its largest moon, Titan, is the second-biggest moon in the solar system, after Jupiter's Ganymede. It's also larger than the planet Mercury. Titan is an incredible world wrapped in a dense ...