Cassini’s one-way mission into Saturn

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.

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Saturn's tantrums explained

You’ve probably heard of the Great Red Spot, but how about the Great White Spot? This is Saturn’s gigantic storm system, and scientists may now have found out why it occurs every 30 years.