From the Surface of Jupiter's Moon—Europa Reveals Icy Glass

Medicine & Technology May 13, 2015

The European Space Agency (ESA) has just published a striking picture of Europa, Jupiter's icy moon. In the image the surface looks like shattered glass; it reveals many interlocking cracks in the moon's icy crust which were formed by an ocean below the moon's surface. Now a team from NASA's Jet Propulsion Laboratory (JPL) led by planetary scientist Kevin Hand has identified the cracks as sea salt.

Three Moons Cast Shadow on Striped Gas Giant—Jupiter

Feb 05, 2015

Though researchers have studied the four natural satellites orbiting around Jupiter, a new set of images courtesy of the NASA/ESA Hubble Space Telescope reveals a rare new view of three of the moons in action. In a rare, and short-lived event, three of the moons moved across the striped face of the gas giant, casting shadows on the planet below.

Saturn's 'Death Star' Moon Might Have an Ocean

Oct 17, 2014

Saturn's 'Death Star' Moon Might Have an Ocean