There are currently 92 moons known to orbit Jupiter. The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical telescope ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

Both NASA and Firefly Aerospace say Blue Ghost remains healthy as it prepares to make for lunar orbit sometime next month.

At a time when the dominant theory suggested that the Earth was at the centre of everything ... They are more commonly referred to as the Galilean moons of Jupiter owing to the fact that they ...

On January 18, the team at Firefly carried out Blue Ghost’s first engine burn, firing up the lander’s thrusters and main ...

The eruption released energy six times greater than all Earth's power plants combined, exceeding 80,000 trillion watts.

Blue Ghost, a lunar lander carrying 10 NASA instruments, successfully executed its first main engine burn as part of its ...

Europa Clipper - one of the most advanced spacecraft ever sent to another planet - aims to explore Jupiter's icy moon ...

Initially believing they were distant stars, Galileo’s repeated observations over several nights and realized they were moons orbiting the gas giant. And thus, Io, Europa and Ganymede became ...

17, 2002, the Galileo probe made it’s 33 rd pass of Jupiter’s moon, Io. After Voyager 1 ... reach temperatures hotter than those on Earth – many of them exceeding 1000 degrees Kelvin ...