With its thick ice and frosty brine-spouting cryovolcanoes, the smooth surface of Europa is a strange place to observe. Europa has an unusual-looking surface. It’s incredibly smooth for…

Name: Galileo Launch: 18 October 1989 Orbital insertion: 8 December 1995 Launch vehicle: Space Shuttle Atlantis Vehicle mass (orbiter): 2,380kg (5,200lb) Spacecraft dimensions (orbiter): 5.2m (17ft) high, 11m…

The Galileo spacecraft gave us so much information about Europa that we’re planning to return soon. Although Galileo was the first spacecraft to closely observe Europa, it wasn’t…

Although Europa is an icy moon, evidence suggests that its composition is much like the rocky planets – an iron core surrounded by a silicate rock mantle. The…

What lies under Europa’s ice? Astronomers have been asking themselves that question for decades, ever since two NASA Voyager spacecraft swung by the Jovian moon in 1979 and…

Written by Shanna Freeman This striking Jovian moon seems like a wasteland of ice, but may be capable of supporting life beneath its frozen exterior. Jupiter has more…