Update – Sept. 11, 2017: This feature (originally published on April 25, 2017) has been updated to reflect Cassini’s current mission status, as well as new lessons and activities.Visit the Cassini website to learn more about the mission’s Grand Finale and follow along on Friday, Sept. 15 as the spacecraft makes its farewell plunge into Saturn. Live streaming information available here. In the News After almost 20 years in space, NASA’s Cassini spacecraft has begun the final chapter of its remarkable story of exploration. This last phase of the mission has delivered unprecedented views of Saturn and taken Cassini where no spacecraft has been before – all the way between the planet and its rings. On Friday, Sept. 15 Cassini will perform its Grand Finale: a farewell dive into Saturn’s atmosphere to protect the environments of Saturn’s moons, including the potentially habitable Enceladus. Teach It Explore our collection of standards-aligned lessons about NASA’s Cassini mission.