Sixteen days after last visiting Saturn's largest moon, NASA's Cassini spacecraft returns for another look-see of the cloud-shrouded moon - this time from on high.
Hills with a wrinkly radial pattern stand out in a new radar image captured by NASA’s Cassini spacecraft on Dec. 28, 2009.
A Cassini scientist explains the flickering "northern lights" high above Saturn, shown for the first time in a visible-light movie.
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After a 15-year wait, equinox arrived at Saturn and Cassini was there to witness the spectacle of light and shadow.
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