In 2023, Jupiter reclaimed the lead with 12 new moons. However, later that year, astronomers spotted an impressive 68 new ...

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

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 ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

You thought Saturn's 146 moons were impressive? Think again. The ringed planet's moon count has nearly doubled with the ...

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

For centuries, Jupiter reigned as king of the moons. Initially, the Big Four, discovered by Galileo, and then as optics and astronomy advanced, more and more, smaller and smaller bodies, until Big J ...

Saturn runs rings around Jupiter Ratification of 128 new moons put the smaller gas giant way ahead on satellite count The ...

Even before the recently announced moons, Saturn had more than anyone could reasonably keep track of. Now, astronomers have ...

Article continues below The Moon then made a close encounter with Jupiter last night (March 5), sitting close together in the evening sky, just to the right of the constellation Orion, famous for ...