Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/curiosity-rover-prepped-to-begin-300-million-mile-journey-to-mars Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Story Hari caught up Richard Cook of the Mars Science Laboratory mission to discuss the Curiosity rover, its hovering rocket landing system and its advanced instruments and built-in chemistry lab. Weather permitting, the spacecraft will launch from Cape Canaveral at 10 am ET Saturday.