Jupiter’s Galilean moons, Europa, Ganymede, Callisto, and Io, have long been subjects of intense scientific scrutiny, ...
Scientists have found new evidence that Jupiter’s largest moons may have received the chemical building blocks of life at the moment they formed. The discovery suggests that worlds like Europa, ...
Add Yahoo as a preferred source to see more of our stories on Google. On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he looked at ...