KENNEDY SPACE CENTER — NASA's Europa Clipper mission on Monday launched a satellite to investigate Europa, Jupiter’s “mysterious moon” — a world covered in ice that scientists say could ...

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the interplanetary environment for two more years. But by the end of 1967, the spacecraft ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

Europa Clipper is NASA’s bold mission to investigate whether Jupiter’s moon Europa could harbor life beneath its frozen ...

Scientists think there is an ocean within Jupiter's moon Europa. NASA-JPL astrobiologist Kevin Hand explains why scientists are so excited about the potential of this ice-covered world to answer one ...

Could a liquid water ocean beneath the surface of Jupiter's moon Europa have the ingredients to support life? Here's how NASA's mission to Europa would find out. Could a liquid water ocean beneath the ...