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

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

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 ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...

Saturn just solidified its title as ‘moon king’ with an updated tally of 274 satellites orbiting the gas giant. The ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly ... also vary across the moon. Juno's extended mission includes explorations of some of its many moons.

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

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...

This brings Saturn's grand total to 274 moons. To put it into perspective, that's nearly double all the other planets' moons. Poor Jupiter ... might have reached its peak in detecting moons ...

With a whopping 274 moons now known to exist in its orbit, Saturn beats Jupiter's moon count by a mile—or, some might say, a light-year. Behind the discovery are researchers from the United ...

Jupiter and Saturn have been ... that around the time Saturn was forming some four billion years ago, it pulled a few moderately large moons into its orbit. Over the preceding millennia, those ...