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

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

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 ...

Europa's hidden ocean could thus be fed by the sinking ice, which carries down oxidants and nutrients produced on the surface ...

In the velvet blackness of the outer Solar System, 400 million miles from the comfort of our own sun, lies a frozen world ...