The Cassini spacecraft has opened our eyes to the wonders of Saturn and its moons like Enceladus and Titan with some amazing pictures - here are some of our favourites of the planet, its rings and moons, including the last one ever taken.
This week Cassini’s two-decade-long mission comes to a spectacular close. But before the craft ends its trip with a fatal plunge into Saturn, let's look at some of the incredible discoveries it has made.
Launched into space in 1977 to study the outer planets, Voyager 1 has become the first man-made object to leave the Solar System. To celebrate its incredible achievement, we look back at the highlights of its epic journey.
It is not entirely clear how Saturn got its rings, but there are three theories running rings around the others.