Jupiter's four best-known moons are the Galilean moons, discovered by Galileo Galilei in 1610. They are named Ganymede, ...

One of Jupiter's four Galilean moons, Europa has long fascinated scientists. Some 90 percent the size of our own Moon, the satellite is believed to host a global ocean of liquid saltwater twice ...

A meteor shower - the Leonids - will also make an appearance, though the brightness of the moon may dampen their splendor.

On its 66th flyby of the king of planets, Juno has captured spectacular views of the stormy atmosphere, processed by citizen ...

Discovered by Galileo in 1610, Europa is one of the four so-called Galilean moons of Jupiter, along with Ganymede, Io and Callisto. What type of life might Europa harbor? Besides water ...

much like the telescope Galileo used to discover the four dominant moons of Jupiter. The nature of a Galilean telescope means that greater magnification requires a longer length, which results in ...

The new week will begin with one of the final celestial alignments of 2024 as the moon shines directly between Jupiter and Mars in the eastern sky-an event that is easy to see for stargazers of all ...

An illustration showing the Europa Clipper as it flies past the Jovian moon Europa as Jupiter watches on in the background. | Credit: Robert Lea (created with Canva) On Oct. 14, NASA's Europa ...

Discovered by Galileo in 1610, Europa is one of the four so-called Galilean moons of Jupiter, along with Ganymede, Io and Callisto. What type of life might Europa harbor? Besides water ...