The Moon passes several planets as Jupiter’s Galilean moons delight and Saturn’s satellite Iapetus reaches western elongation ...

Exploring the Enigmatic Secrets of Europa, Jupiter's Icy Moon Scientists were puzzled by one of Jupiter's fascinating moons, ...

But their names came from German astronomer Simon Marius in 1614 but they are also known as the Galilean moons. The moon is a world unlike Earth’s celestial sibling: With a very thin oxygen ...

Europa is the smallest of the so-called Galilean moons, which are Jupiter’s four ... using the gravity of Mars, and then Earth, to boost its speed. When it reaches Jupiter, it will enter an ...

The winding road will include needing to ace several slingshot maneuvers as well as close approaches with Jupiter’s other Galilean moons ... this time from Earth. As it swings about 2,000 ...

A massive NASA spacecraft has set sail for Jupiter and its moon Europa. The craft named Europa Clipper will peer beneath the ...

They are known as Galilean moons, named after Italian astronomer Galileo Galilei. With a diameter of about 1,940 miles, Europa is roughly 10% smaller than Earth's moon. Europa is a cold moon ...

It’s a chance for us to explore not a world that might have been habitable billions of years ago, but a world that might be ...

Discovered by Galileo in 1610, Europa is one of the four so-called Galilean moons ... for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth. Video above: 'Hidden ...