NASA Jet Propulsion Laboratory’s Team X is suggesting major changes to the proposed Orbilander mission to Enceladus.

The predawn hours of April 28 will see a planetary triangle form in the night sky, as Venus makes a close approach to Saturn following a conjunction, while Neptune, invisible to the naked eye, will ...

Scientists have long known that Saturn's largest moon, Titan, hosts rivers and seas of liquid methane. But it's strangely ...