While six spacecraft have visited and imaged Europa since it became one of the first moons found beyond Earth, the best evidence of a subsurface ocean was gathered by NASA’s Galileo spacecraft ...

NASA's twin Pioneer spacecraft and then two Voyagers swept past Jupiter in the 1970s. The Voyagers provided the first detailed photos of Europa but from quite a distance. NASA's Galileo spacecraft ...

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

Europa's frozen, fissured surface, seen here in a colorized mosaic image from the Galileo spacecraft, hides a liquid ocean that may hold all the ingredients needed for life. Three key ingredients ...

NASA’s former Galileo spacecraft still holds the Europa flyby record, passing within 351 kilometers in 2000.

NASA’s Galileo spacecraft, which was designed to study ... Future missions like NASA's Europa Clipper and the European Space Agency's (ESA) JUICE are set to confirm whether this distant moon ...

Discovered by Galileo Galilei in 1610, Io, Callisto, Europa and Ganymede are proving to be fascinating topics of study for modern day astronomers. We’ve already sent a mission to one of them ...