30 September 2016 Last updated at 15:38 BST
The spacecraft made a planned crash-landing on to the surface of the comet on Friday afternoon, sending back lots of information to Earth in the process.
It left Earth back in 2004, with the mission to chase down 67P and study it.
It reached the comet in 2014, after a 10-year journey, and landed a space probe, called Philae, on to it.
But things didn't all go to plan, as Ricky's been finding out...
The epic Rosetta space mission to Comet 67P has come to end - with a bump!