Mars rovers and their discoveries By DaWomboCombo Jun 10, 2003 Spirit rover launches to Mars Jul 7, 2003 Opportunity rover launches to Mars Jan 4, 2004 Spirit rover lands in the Gusev Crater The Spirit Mars rover landed in the Gusev Crater. Jan 24, 2004 Opportunity lands in the Meridiani Planum The Opportunity Mars rover landed in the Meridiani Planum. Mar 22, 2010 Contact with Mars rover, Spirit, ended Nov 26, 2011 Curiosity launches to Mars Aug 6, 2012 Curiosity rover lands in the Gale Crater Sep 24, 2012 Curiosity finds ancient steambed Feb 8, 2013 NASA discovers that Mars was once a grey planet Sep 1, 2013 NASA notes that Curiosity had not found traces of Methane This makes the chances of life on Mars pretty low. Oct 2, 2013 Scientist discover that Mars volcanoes were more violent than previosly belived. Dec 9, 2013 Discovery of ancient lakes that may have supported life Feb 10, 2014 Mars orbiter discovers that water was once on Mars Sep 4, 2014 Opportunity rover memory reformatting Jan 1, 2020 Planned launch of new robotic science rover