Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

Point them at Jupiter tonight—or any night during its ... by far the largest of the giant planet’s estimated 79 moons. Their collective name comes from the fact that Galileo first observed ...

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

NASA scientists have confirmed, for the first time, the existence of water above the surface of Europa, one of Jupiter's 79 moons. The study published in the journal Nature Astronomy show that they ...

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

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

Research Fellow Dr. Babak Bakhit has encountered one of his most challenging projects to date—contributing to the European Space Agency's (ESA) JUpiter ICy moons Explorer (JUICE) mission.

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 ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however ...