Cassini’s 20-year mission culminated in a series of wild orbits. First, it grazed the outer rim of Saturn’s rings and then, in the Grand Finale phase, the spacecraft dove through the narrow gap between the gas giant and its icy rings before plunging into and disintegrating into the planet’s upper atmosphere. In a special issue of the journal Science, six articles provide new observations and insights into this previously unexplored region of...
