Four billion years ago, Ganymede literally got knocked sideways. A giant asteroid slammed into Jupiter’s largest moon, ...

Around 4 billion years ago, an enormous asteroid that was at least 10 times larger than the space rock that wiped out the dinosaurs smashed into Jupiter's massive icy moon, Ganymede. The ...

Jupiter's largest moon Ganymede is generating "killer" waves of electrons that astronomers say could damage spacecraft going on future missions. These electromagnetic waves can be found all around ...

NASA announced that it has evidence that Jupiter’s moon Ganymede, the largest moon in our solar system, has a vast ocean lurking underneath its icy crust. WSJ's Monika Auger reports.

Towards the end of the mission, the JUICE probe dedicates its experiments in detail to the largest moon in our Solar System, Ganymede. The focus is on a suspected ocean under a kilometre-thick ice ...

Galileo never saw Ganymede, Jupiters largest moon, but this NASA video shows the moon orbiting behind Jupiter in just two hours National Treasure: The History of the Lie Detector The Incredible ...

Saturn’s first known moon, Titan, was discovered by Dutch astronomer Christiaan Huygens 45 years later. Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto – were the first ...

For instance, last year, the European Space Agency's Jupiter Icy Moon Explorer (JUICE) — which will also be exploring Europa, in addition to its larger cousins Ganymede and Callisto ...

When conducting measurements, GALA sends short laser pulses down to the surface of the icy moon currently under investigation, Europa, Ganymede or Callisto. At the surface, the pulses are reflected ...

Ganymede and Callisto – were the first ever discovered orbiting another planet. They were spotted by Galileo Galilei more than 400 years ago, in 1610. Saturn’s first known moon, Titan ...