Closer than everNASA/JPL-Caltech/Space Science InstituteBy Leah CraneOn 6 December, the Cassini spacecraft sent back the first photos since starting its closest orbits yet to Saturn’s rings. This penultimate phase of Cassini’s mission, called the Ring-Grazing Orbits, started on 30 November and will send Cassini on 20 week-long trips soaring above Saturn’s...