WATCH: NASA celebrates five years of the Curiosity rover exploring Mars

NASA's Curiosity rover which found evidence that ancient Mars had the right conditions to support microbial life has marked five years of exploring the red planet. Curiosity, which landed near Mount Sharp five years ago, is examining clues on that mountain about long-ago lakes on Mars. On August 5, 2012, the mission team at NASA's Jet Propulsion Laboratory in Pasadena, California, exalted at radio confirmation and first images from Curiosity after the rover's touchdown using a new "sky crane" landing method.