New observations from the James Webb Space Telescope (JWST) are painting a new picture of Jupiter's moon Europa and revealing ...

In a remarkable moment during its journey toward Jupiter, NASA’s Europa Clipper spacecraft managed to capture a stunning image of Mars and its two moons, Phobos and Deimos, in one frame. This rare ...

A long-standing mystery about the presence of hydrogen peroxide on Jupiter's icy ocean moon Europa may be closer to being ...

Southwest Research Institute (SwRI) scientists conducted lab experiments to address a mystery about the origins of frozen hydrogen peroxide (H2O2) on Jupiter's icy moon Europa. Their results, ...

Europa Clipper is the largest spacecraft NASA has developed for a planetary mission. With its massive solar arrays deployed, Europa Clipper will be more than 100 feet (30.5 meters) across and ...

But Europa really started to come into focus in 1979, after the Voyager 2 spacecraft sped past the moon on July 9. (Voyager 1 also passed near Europa, but Voyager 2 had better photos.) ...

Europa is an icy moon of Jupiter and one of the four so-called Galilean moons of Jupiter. See more facts about Europa and its history here.