How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it seems. When you purchase through links on our site, we may earn an ...

That discovery led to an understanding that the resonant orbits of the Galilean moons cause regular gravitational pulls against Jupiter’s gravity, causing the moon interiors to heat up. Volcanic ...

Long, sinuous fissures and ridges crisscross Europa in this color composite view from NASA’s Galileo probe, hinting at deeper geological activity that has cracked and jumbled the icy moon’s ...

Discovered by Galileo in 1610, Europa is one of the four so-called Galilean moons of Jupiter, along with Ganymede, Io and Callisto. Seeking conditions that support lifeWhat type of life might ...

Discovered by Galileo in 1610, Europa is one of the four so-called Galilean moons of Jupiter, along with Ganymede, Io and Callisto. Seeking conditions that support lifeWhat type of life might Europa ...