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

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 NASA spacecraft is ready to set sail for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth.

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 ...

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 ...

Discovered by Galileo in 1610, Europa is one of the four so-called Galilean moons of Jupiter ... like the bacterial life that originated in Earth’s deep ocean vents. “We will not know from ...