ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

How did Jupiter acquire more large moons than Saturn? This is what a recent study published in Nature Astronomy hopes to ...

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

April’s new moon brings dark skies, making it easier to see Venus, Jupiter, Mars and key constellations along with distant ...

The spacecraft was built at the Jet Propulsion Lab. And it has been operating ever since, almost without interruption, for ...

Jupiter and Saturn may seem similar as gas giants, yet their vastly different moon systems reveal a deeper story shaped by ...

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

This week, NASA announced it had shut down one of that spacecraft's remaining science instruments — not because the mission ...

Jupiter and Saturn moon mystery explained as scientists reveal how magnetic fields shaped their vastly different satellite ...

Jupiter and Saturn are the two largest planets in our solar system, and both are surrounded by dozens—even hundreds—of moons.

Jupiter and Saturn now have 15 more known moons between them. Four have been added to Jupiter and 11 to Saturn, bringing ...

Look to the west shortly after sunset on April 17 to find Venus appearing as a bright evening star 15 degrees from the ...