That means it could be similar to Earth in some ways. “Ganymede is like a mini-planet,” said Witasse. “There are only three bodies that possess an internal magnetic field—Earth ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

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

A massive volcano on Jupiter's moon, Io is more powerful than all of Earth's power stations combined - says American space agency, Nasa. The huge volcano was recently detected during flyby of the Juno ...

Ganymede, Callisto and Europa. It's fair to say that of all the moons, it’s Io—the most volcanic world in the solar system—that inspired the most elaborate movement. “It’s constantly ...