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Hubble spots possible venting activity on Europa

When Galileo discovered Jupiter's moon Europa in 1610, along with three other satellites whirling around the giant planet, he could have barely imagined it was such a world of wonder.

Image: Enceladus and its paper-thin crust

Of all the icy moons in the Solar System, Saturn's moon Enceladus is probably the 'hottest' when measured for its potential to host life. Despite its distance from Earth, it may also be the easiest to investigate.

Europa's heaving ice might make more heat than scientists thought

Jupiter's moon Europa is under a constant gravitational assault. As it orbits, Europa's icy surface heaves and falls with the pull of Jupiter's gravity, creating enough heat, scientists think, to support a global ocean beneath ...

Jupiter's moon Europa

Jupiter's four largest moons โ€“ aka. the Galilean moons, consisting of Io, Europa, Ganymede and Callisto โ€“ are nothing if not fascinating. Ever since their discovery over four centuries ago, these moons have been a source ...

Image: Europa's blood-red scars

Jupiter's moon Europa is a bizarre place. There is something undeniably biological about this image, sent back by NASA's Galileo spacecraft โ€“ the moon is scarred by deep red gashes, resembling the vibrant red veins flowing ...

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