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.
The ingredients required to make a rainbow are sunlight and raindrops. Currently, there is no other planet known to have liquid water on its surface or in sufficient quantities in the atmosphere to make rain.