https://www.cnbc.com/2017/09/15/cassini-spacecraft-flies-into-saturn-in-fiery-end-to-20-year-voyage.html

The Cassini spacecraft crashed into Saturn on Friday in a fiery demise that was planned to avoid harming possible life on the mysterious planet's moons.

The two-decade-long space trip yielded an unprecedented amount of knowledge that will be studied for years. Cassini continued collecting and transmitting data until the very end.