For instance, Europa, one of Jupiter's Galilean moons, is believed to harbor a substantial lake beneath its frozen surface.

German astronomer Simon Marius is best remembered for his disputes with Galileo Galilei over priority for discovering Jupiter ...

A Cold Moon hangs in the sky while Jupiter still shines bright and the Geminid meteor shower peaks in the sky this week.

As many as 400 volcanoes are erupting on the surface of Jupiter's innermost moon Io, with virtually every square inch of the ...

The communications lag between Earth and Jupiter means missions to Europa will need to be smart to deal with problems on ...