The second-ever commercial landing on the moon comes amid a flurry of lunar exploration activity that will see around a dozen ...

In the 1990s, however, NASA's Galileo spacecraft captured magnetic measurements near Callisto that suggested that its ice shell surface—much like that of Europa, another moon of Jupiter—may ...

The idea’s inception dates all the way back to the time of Galileo ... expected their spacecraft to stay in orbit for a few months before being brought down by atmospheric drag.

The last time scientists had any data on Jupiter’s water it came from the Galileo probe. That mission, which wrapped up in late 1995, returned results that suggested that Jupiter was extremely ...