Jupiter passes 100 moons while Saturn reaches 285 as astronomers confirm 15 new discoveries.

"A better understanding of Saturn’s environment is especially urgent now as plans for our return to Saturn and its moon ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. A new study hints that ...

Tidal migration – gradual outward movement of a moon due to gravitational interactions with its parent planet Axial precession – the slow wobble of a planet's rotational axis, which can fall in and ...

A new study reveals how Jupiter’s powerful magnetic field helped its moons survive, while Saturn lost most of its large moons ...

Skygazers who look up at the moon tonight may be able to spot a brightly shining planet joining our celestial neighbor in the sky. The impending conjunction is also the latest celestial display ...

The two largest planets in our solar system, Jupiter and Saturn, also have the largest satellite systems, or the most moons.

Of the solar system’s planets, Saturn piques the human imagination with its signature rings and impressive moon count of 274. But compelling new research reignites theories of an ancient collision ...

Saturn and the moon are about to meet up for a short-lived cosmic hangout. That's good news for avid skygazers, who will in one week have a chance to spot the celestial pair sharing a section of the ...

Saturn’s four brightest moons are lined up for ideal viewing this evening. You can catch the ringed planet for a few hours after sunset, as it slowly sinks toward the western horizon. Around 7 P.M.

Saturn and the moon will appear close together in Nevada skies, offering skywatchers a clear view of a celestial pairing known as a conjunction. The alignment will be visible Friday, Jan. 23. During ...