After years of debate, NASA researchers have zeroed in on the thickness of the Europa's ice shell. We first discovered that the Jupiter moon's surface looked icy in 1979, when Voyager 2 flew by.

Jupiter's fourth-largest moon is a main character in our search for other life-friendly places in our solar system. Reading time 2 minutes Europa, one of Jupiter’s 95 moons, is encased in a shell of ...

This image of Jupiter’s moon Europa was captured by the JunoCam instrument aboard NASA’s Juno spacecraft during the mission’s close flyby on September 29, 2022. The image shows the fractures, ridges, ...

A thick shell "implies a longer route that oxygen and nutrients would have to travel to connect Europa’s surface with its subsurface ocean." When you purchase through links on our site, we may earn an ...