The &lt;a href=&quot;http://saturn.jpl.nasa.gov/mission/quickfacts/&quot; target=&quot;_blank&quot;&gt;Cassini spacecraft&lt;/a&gt; ended its mission in 2017. The probe was launched on October 15, 1997, from Cape Canaveral Air Force Station in Florida. It arrived at Saturn on June 30, 2004. The spacecraft dropped a&lt;a href=&quot;https://www.nasa.gov/content/ten-years-ago-huygens-probe-lands-on-surface-of-titan&quot; target=&quot;_blank&quot;&gt; probe called Huygens&lt;/a&gt; to the surface of Saturn&#39;s moon Titan. It was the first landing on a moon in the outer solar system.