Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

Nasa's old Galileo data reveals ammonia-bearing compounds on Europa's icy surface near fractured zones.

Jupiter’s moon Europa is one of the most hostile environments in the solar system, blasted by radiation strong enough to kill a human in hours. Yet beneath its frozen surface may lie a saltwater ocean ...

Europa might not be the best place to look for alien life in the solar system after all. A new study modeling what the floor of the Jupiter moon's hidden ocean is like concluded that tectonic activity ...