Astronomers have discovered 12 new moons around Jupiter, putting the total count at a record-breaking 92. That's more than any other planet in our solar system. Saturn, the one-time leader, comes in a ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...

The largest moon in the solar system — Jupiter’s Ganymede — has a unique and inexplicable magnetic field. New research could finally explain it: the moon is heating up.

The Jovian moons Io and Europa will throw their shadows over Jupiter's cloud surface in the early hours of Nov. 5. When you purchase through links on our site, we may earn an affiliate commission.

The two largest planets in our solar system, Jupiter and Saturn, also have the largest satellite systems, or the most moons. At present, Jupiter's reported moon count stands at more than 100 moons, ...

Jupiter’s icy moons may have been seeded with the chemical ingredients for life from the very beginning. An international team of scientists modeled how complex organic molecules—essential building ...

Two new moons have been discovered orbiting Jupiter, bringing the total number of natural satellites orbiting the gas giant to 97. The first moons of Jupiter were discovered in 1610 CE, after Galileo ...