Copyright (c) 2009 NASA / JPL All rights reserved. http://marsrovers.jpl.nasa.gov/home/index.html Science Follow the efforts to free the Spirit rover from a sand trap where its wheels are dug in. en-us Wed, 18 Nov 2009 02:27:22 GMT 5 http://marsrovers.jpl.nasa.gov/home/index.html http://www.jpl.nasa.gov/multimedia/podcast/planets-300.jpg http://www.jpl.nasa.gov/news/features.cfm?feature=2368&rn=rovers.xml&rst=2368 http://www.jpl.nasa.gov/news/features.cfm?feature=2368&rn=rovers.xml&rst=2368 NASA / JPL science Wed, 18 Nov 2009 20:11:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2368&rn=rovers.xml&rst=2368'"> <img src='http://www.jpl.nasa.gov/images/mer/20091116/mer20091116-th.jpg' align='left' alt='Spirit photographs her underbelly' width='100' height='75' border='0' /></a><br /> <br /> Because the first extrication drive for Spirit, on Sol 2088 (Nov. 17), stopped as soon as it began due to an exceeded tilt limit, the plan for an extrication drive on Sol 2090 (Nov. 19) will essentially be a repeat of the first drive plan, but with improved rover attitude knowledge. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2366&rn=rovers.xml&rst=2366 http://www.jpl.nasa.gov/news/features.cfm?feature=2366&rn=rovers.xml&rst=2366 NASA / JPL science Tue, 17 Nov 2009 20:11:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2366&rn=rovers.xml&rst=2366'"> <img src='http://www.jpl.nasa.gov/images/mer/20091116/mer20091116-th.jpg' align='left' alt='Spirit photographs her underbelly' width='100' height='75' border='0' /></a><br /> <br /> The preliminary results from the first extrication drive for Spirit on Sol 2088 (Nov. 17, 2009) indicate the rover stopped less than 1 second after it began, sensing more vehicle lateral tilt than permitted. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2356&rn=rovers.xml&rst=2356 http://www.jpl.nasa.gov/news/features.cfm?feature=2356&rn=rovers.xml&rst=2356 NASA / JPL science Thu, 12 Nov 2009 20:11:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2356&rn=rovers.xml&rst=2356'"> <img src='http://www.jpl.nasa.gov/images/mer/20091112/mer20091112-th.jpg' align='left' alt='Computer simulation of Spirit's predicament' width='100' height='75' border='0' /></a><br /> <br /> NASA will begin transmitting commands to its Mars exploration rover Spirit on Monday as part of an escape plan to free the venerable robot from its Martian sand trap. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2346&rn=rovers.xml&rst=2346 http://www.jpl.nasa.gov/news/features.cfm?feature=2346&rn=rovers.xml&rst=2346 NASA / JPL science Fri, 30 Oct 2009 19:10:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2346&rn=rovers.xml&rst=2346'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-10-30/mer20090826-th.jpg' align='left' alt='Full-circle view of Spirit's Troy location on Mars' width='100' height='75' border='0' /></a><br /> <br /> Until Oct. 24, NASA's Mars Exploration Rover had gone more than six months without an episode of amnesia-like symptoms like those that appeared on four occasions earlier this year. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2339&rn=rovers.xml&rst=2339 http://www.jpl.nasa.gov/news/features.cfm?feature=2339&rn=rovers.xml&rst=2339 NASA / JPL science Mon, 19 Oct 2009 19:10:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2339&rn=rovers.xml&rst=2339'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-10-19/mer20091019-th.jpg' align='left' alt='NASA's Mars Exploration Rover Spirit recorded this forward view of its arm and surroundings' width='100' height='75' border='0' /></a><br /> <br /> Engineers using test rovers on Earth to prepare for extracting the sand-trapped Spirit rover on Mars have added a new challenge to their preparations. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2311&rn=rovers.xml&rst=2311 http://www.jpl.nasa.gov/news/features.cfm?feature=2311&rn=rovers.xml&rst=2311 NASA / JPL science Mon, 14 Sep 2009 19:09:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2311&rn=rovers.xml&rst=2311'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-09-14/mer-20090914-th.jpg' align='left' alt='A rover team member checks the tilt of the lightweight test rover at NASA's Jet Propulsion Laboratory' width='100' height='75' border='0' /></a><br /> <br /> Tests on Earth simulating Spirit's predicament on Mars have reinforced understanding that getting Spirit to rove again will be very difficult. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2293&rn=rovers.xml&rst=2293 http://www.jpl.nasa.gov/news/features.cfm?feature=2293&rn=rovers.xml&rst=2293 NASA / JPL science Tue, 25 Aug 2009 19:08:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2293&rn=rovers.xml&rst=2293'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-08-26/mer20090826-th.jpg' align='left' alt='full-circle view from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Spirit' width='100' height='75' border='0' /></a><br /> <br /> The amount of electricity generated by the solar panels on Spirit has been declining for the past several Martian days, or sols, as a regional dust storm moved southward and blocked some of the sunshine at Spirit's location. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2291&rn=rovers.xml&rst=2291 http://www.jpl.nasa.gov/news/features.cfm?feature=2291&rn=rovers.xml&rst=2291 NASA / JPL science Fri, 21 Aug 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2291&rn=rovers.xml&rst=2291'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-08-21/mer20090821-th.jpg' align='left' alt='Testing at NASA's Jet Propulsion Laboratory assessing possible maneuvers for the stuck Mars rover Spirit' width='100' height='75' border='0' /></a><br /> <br /> A second, lighter-weight test rover has entered the testing setup at JPL where rover team members are assessing strategy for getting Spirit out of soft soil where it is embedded on Mars. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2285&rn=rovers.xml&rst=2285 http://www.jpl.nasa.gov/news/features.cfm?feature=2285&rn=rovers.xml&rst=2285 NASA / JPL science Tue, 18 Aug 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2285&rn=rovers.xml&rst=2285'"> <img src='http://www.jpl.nasa.gov/images/mer/20090818/mer20090818-th.jpg' align='left' alt='traverse map for rover Spirit' width='100' height='75' border='0' /></a><br /> <br /> Today marks the 2,000th Martian day, or sol, of what was initially planned as a 90-sol mission on Mars for NASA's Spirit rover. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2279&rn=rovers.xml&rst=2279 http://www.jpl.nasa.gov/news/features.cfm?feature=2279&rn=rovers.xml&rst=2279 NASA / JPL science Thu, 13 Aug 2009 19:08:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2279&rn=rovers.xml&rst=2279'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-08-13/mer20090813-th.jpg' align='left' alt='A test setup at NASA's Jet Propulsion Laboratory for the Spirit rover' width='100' height='75' border='0' /></a><br /> <br /> Mars rover team members are planning a long-duration experiment with the test rover at JPL beginning next week. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2266&rn=rovers.xml&rst=2266 http://www.jpl.nasa.gov/news/features.cfm?feature=2266&rn=rovers.xml&rst=2266 NASA / JPL science Fri, 07 Aug 2009 19:08:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2266&rn=rovers.xml&rst=2266'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-08-07/mer-20090807-th.jpg' align='left' alt='Panelists reviewed results to date from testing possible maneuvers to use in driving NASA's Mars Rover Spirit.' width='100' height='75' border='0' /></a><br /> <br /> A review on Aug. 6 of test results to date yielded a decision to conduct further checkouts in an augmented testing set-up on Earth before beginning to send driving commands to Spirit for attempting to get out of the loose soil where the rover has partially embedded itself. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2258&rn=rovers.xml&rst=2258 http://www.jpl.nasa.gov/news/features.cfm?feature=2258&rn=rovers.xml&rst=2258 NASA / JPL science Thu, 06 Aug 2009 19:08:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2258&rn=rovers.xml&rst=2258'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-08-06/mer20090806a-th.jpg' align='left' alt='Mars Exploration Rover Opportunity confirm that this rock on the Martian surface is an iron-nickel meteorite.' width='100' height='75' border='0' /></a><br /> <br /> Composition measurements by NASA's Opportunity rover confirm that this rock on the Martian surface is an iron-nickel meteorite. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2249&rn=rovers.xml&rst=2249 http://www.jpl.nasa.gov/news/features.cfm?feature=2249&rn=rovers.xml&rst=2249 NASA / JPL science Thu, 30 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2249&rn=rovers.xml&rst=2249'"> <img src='http://www.jpl.nasa.gov/images/mer/20090729/mer20090729-th.jpg' align='left' alt='Spirit rover testing' width='100' height='75' border='0' /></a><br /> <br /> Mars rover engineers at JPL are winding down testing of different escape maneuvers using a test rover in a sand box filled with soil to mimic the Martian surface. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2243&rn=rovers.xml&rst=2243 http://www.jpl.nasa.gov/news/features.cfm?feature=2243&rn=rovers.xml&rst=2243 NASA / JPL science Fri, 24 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2243&rn=rovers.xml&rst=2243'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-07-24/mer20090724-th.jpg' align='left' alt='Rover team members discuss the next step in preparing for a new phase in testing of possible moves for getting NASA's Mars rover Spirit out of a sandtrap on Mars.' width='100' height='75' border='0' /></a><br /> <br /> Mars rover team members have begun a new phase of testing at JPL -- using longer-duration experiments -- in their preparations for driving Spirit again on Mars. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2235&rn=rovers.xml&rst=2235 http://www.jpl.nasa.gov/news/features.cfm?feature=2235&rn=rovers.xml&rst=2235 NASA / JPL science Tue, 21 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2235&rn=rovers.xml&rst=2235'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-07-21/mer20090721-th.jpg' align='left' alt='Mars Exploration Rover team members tested how altering the order in which individual wheels turn for steering affects how those turns dig the wheels deeper into soft soil.' width='100' height='75' border='0' /></a><br /> <br /> As the Mars rover team uses testing at JPL to evaluate possible ways to drive Spirit out of loose soil on Mars, the team is finishing tests of individual "building block" maneuvers and is about to begin stringing some of those together. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2234&rn=rovers.xml&rst=2234 http://www.jpl.nasa.gov/news/features.cfm?feature=2234&rn=rovers.xml&rst=2234 NASA / JPL science Tue, 21 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2234&rn=rovers.xml&rst=2234'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-07-16/mer20090716-th.jpg' align='left' alt='In this view from behind a test rover, the rear wheels of the rover are turned toward the left, and the left-front wheel is turned toward the the right.' width='100' height='75' border='0' /></a><br /> <br /> A live videocast and chat from JPL will give viewers a chance to ask questions of rover team members working to get Spirit rolling again. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2227&rn=rovers.xml&rst=2227 http://www.jpl.nasa.gov/news/features.cfm?feature=2227&rn=rovers.xml&rst=2227 NASA / JPL science Thu, 16 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2227&rn=rovers.xml&rst=2227'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-07-16/mer20090716-th.jpg' align='left' alt='In this view from behind a test rover, the rear wheels of the rover are turned toward the left, and the left-front wheel is turned toward the the right.' width='100' height='75' border='0' /></a><br /> <br /> The Mars rover team is using a test rover at JPL to assess various extraction techniques that might get Spirit out of the loose soil of "Troy" on Mars. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2223&rn=rovers.xml&rst=2223 http://www.jpl.nasa.gov/news/features.cfm?feature=2223&rn=rovers.xml&rst=2223 NASA / JPL science Tue, 14 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2223&rn=rovers.xml&rst=2223'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-07-14/mer-B-20090714-th.jpg' align='left' alt='the panoramic camera (Pancam) on NASA's Mars Exploration Rover Spirit was taking exposures with different color filters during the 1,919th Martian day' width='100' height='75' border='0' /></a><br /> <br /> Scientists have combined a trio of shots taken seconds apart through different colored filters to create a special-effects portrait of a moving dust devil on Mars. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2222&rn=rovers.xml&rst=2222 http://www.jpl.nasa.gov/news/features.cfm?feature=2222&rn=rovers.xml&rst=2222 NASA / JPL science Mon, 13 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2222&rn=rovers.xml&rst=2222'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-07-13/mer-20090713-th.jpg' align='left' alt='Rover team members prepare an experiment for assessing how a test rover moves when embedded in loose soil and commanded to drive backward with wheels turned.' width='100' height='75' border='0' /></a><br /> <br /> Engineers checking possible rover movements to get Spirit out of the "Troy" sand trap on Mars are evaluating how a comparable rover at JPL fares in a crablike backward drive. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2220&rn=rovers.xml&rst=2220 http://www.jpl.nasa.gov/news/features.cfm?feature=2220&rn=rovers.xml&rst=2220 NASA / JPL science Fri, 10 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2220&rn=rovers.xml&rst=2220'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-07-10/mer-20090710-th.jpg' align='left' alt='Mars Exploration Rover team members prepare a testing setup for the Spirit rover.' width='100' height='75' border='0' /></a><br /> <br /> On firm ground, NASA's Mars Exploration Rovers can make crablike moves by turning all four steerable wheels to the same side angle, then rotating the wheels either forward or backward. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2214&rn=rovers.xml&rst=2214 http://www.jpl.nasa.gov/news/features.cfm?feature=2214&rn=rovers.xml&rst=2214 NASA / JPL science Wed, 08 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2214&rn=rovers.xml&rst=2214'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-07-08/mer-20090708-th.jpg' align='left' alt='Engineers used straight-backward driving of a test rover on Earth on Wednesday, July 8, as they evaluate maneuvers that might be useful for getting Spirit out of a sandtrap on Mars.' width='100' height='75' border='0' /></a><br /> <br /> Engineers used straight-backward driving of a test rover on Earth on Wednesday, July 8, as they evaluate maneuvers that might be useful for getting Spirit out of a sandtrap on Mars. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2212&rn=rovers.xml&rst=2212 http://www.jpl.nasa.gov/news/features.cfm?feature=2212&rn=rovers.xml&rst=2212 NASA / JPL science Mon, 06 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2212&rn=rovers.xml&rst=2212'"> <img src='http://www.jpl.nasa.gov/images/mer/20090706/mer20090706-th.jpg' align='left' alt='rover driver Paolo Bellutta measures how much the rover moved sideways, downslope, during the maneuver.' width='100' height='75' border='0' /></a><br /> <br /> Using a test rover in a sandbox at JPL with special soil simulating Spirit's predicament on Mars, engineers are assessing possible maneuvers for getting Spirit out and onto firmer ground. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2209&rn=rovers.xml&rst=2209 http://www.jpl.nasa.gov/news/features.cfm?feature=2209&rn=rovers.xml&rst=2209 NASA / JPL science Wed, 01 Jul 2009 19:07:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2209&rn=rovers.xml&rst=2209'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-07-01/fs20090701-th.jpg' align='left' alt='test setup for effort to free Spirit' width='100' height='75' border='0' /></a><br /> <br /> Engineers placed a rock underneath the test rover at JPL on July 1, 2009, to more closely simulate Spirit's predicament on Mars. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2207&rn=rovers.xml&rst=2207 http://www.jpl.nasa.gov/news/features.cfm?feature=2207&rn=rovers.xml&rst=2207 NASA / JPL science Tue, 30 Jun 2009 19:06:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2207&rn=rovers.xml&rst=2207'"> <img src='http://www.jpl.nasa.gov/images/mer/20090630/spirit3-20090629-th.jpg' align='left' alt='engineers study test rover in order to trouble-shoot Spirit's situation' width='100' height='75' border='0' /></a><br /> <br /> After several days of preparing a sloped area of soft, fine soil to simulate Spirit's current sandtrap on Mars, the rover team drove a test rover into the material. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2199&rn=rovers.xml&rst=2199 http://www.jpl.nasa.gov/news/features.cfm?feature=2199&rn=rovers.xml&rst=2199 NASA / JPL science Thu, 25 Jun 2009 18:06:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2199&rn=rovers.xml&rst=2199'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-06-25/mer20090625-th.jpg' align='left' alt='Soft soil exposed when wheels of NASA's Mars Exploration Rover Spirit dug into a patch of ground.' width='100' height='75' border='0' /></a><br /> <br /> NASA's Mars rover Spirit, lodged in Martian soil that is causing traction trouble, is taking advantage of the situation by learning more about the Red Planet's environmental history. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2167&rn=rovers.xml&rst=2167 http://www.jpl.nasa.gov/news/features.cfm?feature=2167&rn=rovers.xml&rst=2167 NASA / JPL science Wed, 27 May 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2167&rn=rovers.xml&rst=2167'"> <img src='http://www.jpl.nasa.gov/images/msl/20090527/pia09201-th.jpg' align='left' alt='artist concept of Mars Science Laboratory' width='100' height='75' border='0' /></a><br /> <br /> NASA's Mars Science Laboratory rover, scheduled for launch in 2011, has a new name, thanks to a sixth-grade student from Kansas. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2162&rn=rovers.xml&rst=2162 http://www.jpl.nasa.gov/news/features.cfm?feature=2162&rn=rovers.xml&rst=2162 NASA / JPL science Thu, 21 May 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2162&rn=rovers.xml&rst=2162'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-02-03/20090203_CYL_L-th.jpg' align='left' alt='full-circle view of the rover's surroundings' width='100' height='75' border='0' /></a><br /> <br /> One of NASA's two Mars rovers has recorded a compelling saga of environmental changes that occurred over billions of years at a Martian crater. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2158&rn=rovers.xml&rst=2158 http://www.jpl.nasa.gov/news/features.cfm?feature=2158&rn=rovers.xml&rst=2158 NASA / JPL science Mon, 18 May 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2158&rn=rovers.xml&rst=2158'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-05-11/mer-20090511-th.jpg' align='left' alt='Spirit's wheels digging into soft ground' width='100' height='75' border='0' /></a><br /> <br /> NASA's rover project team is using Spirit and other spacecraft at Mars to find a way for the rover to get dislodged from soft Martian ground. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2146&rn=rovers.xml&rst=2146 http://www.jpl.nasa.gov/news/features.cfm?feature=2146&rn=rovers.xml&rst=2146 NASA / JPL science Mon, 11 May 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2146&rn=rovers.xml&rst=2146'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-05-11/mer-20090511-th.jpg' align='left' alt='Spirit's wheels digging into soft ground' width='100' height='75' border='0' /></a><br /> <br /> The five wheels that still rotate on NASA's Mars Exploration Rover Spirit have been slipping severely in soft soil during recent attempts to drive, sinking the wheels about halfway into the ground. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2125&rn=rovers.xml&rst=2125 http://www.jpl.nasa.gov/news/features.cfm?feature=2125&rn=rovers.xml&rst=2125 NASA / JPL science Fri, 24 Apr 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2125&rn=rovers.xml&rst=2125'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-04-23/mer-20090423-th.jpg' align='left' alt='Spirit on Mars' width='100' height='75' border='0' /></a><br /> <br /> NASA's Mars Exploration Rover Spirit drove on Thursday for the first time since April 8, acting on commands from engineers who are still investigating bouts of amnesia and other unusual behavior exhibited by Spirit in the past two weeks. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2117&rn=rovers.xml&rst=2117 http://www.jpl.nasa.gov/news/features.cfm?feature=2117&rn=rovers.xml&rst=2117 NASA / JPL science Mon, 20 Apr 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2117&rn=rovers.xml&rst=2117'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-04-20/A1871_fhaz-th.jpg' align='left' alt='NASA Mars Exploration Rover Spirit' width='100' height='75' border='0' /></a><br /> <br /> After three days of completing Earth-commanded activities without incident last week, NASA's Mars Exploration Rover Spirit had a bout of temporary amnesia Friday, April 17, and rebooted its computer Saturday, April 18, behavior similar to events about a week earlier. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2112&rn=rovers.xml&rst=2112 http://www.jpl.nasa.gov/news/features.cfm?feature=2112&rn=rovers.xml&rst=2112 NASA / JPL science Wed, 15 Apr 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2112&rn=rovers.xml&rst=2112'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-04-15/mer-20090415-th.jpg' align='left' alt='dust storm on Mars' width='100' height='75' border='0' /></a><br /> <br /> Heading into a period of the Martian year prone to major dust storms, the team operating NASA's twin Mars rovers is taking advantage of eye-in-the-sky weather reports. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2108&rn=rovers.xml&rst=2108 http://www.jpl.nasa.gov/news/features.cfm?feature=2108&rn=rovers.xml&rst=2108 NASA / JPL science Mon, 13 Apr 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2108&rn=rovers.xml&rst=2108'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-04-13/pia11978-th.jpg' align='left' alt='Spirit saw this view of its surroundings' width='100' height='75' border='0' /></a><br /> <br /> The team operating NASA's Mars Exploration Rover Spirit is examining data received from Spirit in recent days to diagnose why the rover apparently rebooted its computer at least twice over the April 11-12 weekend. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2086&rn=rovers.xml&rst=2086 http://www.jpl.nasa.gov/news/features.cfm?feature=2086&rn=rovers.xml&rst=2086 NASA / JPL science Wed, 18 Mar 2009 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2086&rn=rovers.xml&rst=2086'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-03-18/PIA11834-th.jpg' align='left' alt='North Rim of Endeavour Crater on Horizon' width='100' height='75' border='0' /></a><br /> <br /> On a plain that stretches for miles in every direction, the panoramic camera on NASA's Mars rover Opportunity has caught a first glimpse on the horizon of the uplifted rim of the big crater that has been Opportunity's long-term destination for six months. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2067&rn=rovers.xml&rst=2067 http://www.jpl.nasa.gov/news/features.cfm?feature=2067&rn=rovers.xml&rst=2067 NASA / JPL science Thu, 05 Mar 2009 08:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2067&rn=rovers.xml&rst=2067'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-03-05/mer-20090305-th.jpg' align='left' alt='' width='100' height='75' border='0' /></a><br /> <br /> Loose soil piled against the northern edge of a low plateau has blocked Spirit from taking the shortest route toward its southward destinations for the upcoming Martian summer and following winter. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2030&rn=rovers.xml&rst=2030 http://www.jpl.nasa.gov/news/features.cfm?feature=2030&rn=rovers.xml&rst=2030 NASA / JPL science Thu, 12 Feb 2009 08:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2030&rn=rovers.xml&rst=2030'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-02-11/pia11798-th.jpg' align='left' alt='Engineering data from Spirit's power subsystem indicated that some dust blew off the rover's solar array on the following day' width='100' height='75' border='0' /></a><br /> <br /> A small but important uptick in electrical output from the solar panels on Spirit this month indicates a beneficial Martian wind has blown away some of the dust that has accumulated on the panels. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=2016&rn=rovers.xml&rst=2016 http://www.jpl.nasa.gov/news/features.cfm?feature=2016&rn=rovers.xml&rst=2016 NASA / JPL science Mon, 02 Feb 2009 08:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=2016&rn=rovers.xml&rst=2016'"> <img src='http://www.jpl.nasa.gov/images/mer/2009-02-02/spirit-th.jpg' align='left' alt='Spirit view of Mars' width='100' height='75' border='0' /></a><br /> <br /> NASA's Mars Exploration Rover Spirit resumed driving Saturday after engineers gained confidence from diagnostic activities earlier in the week evaluating how well the rover senses its orientation. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1999&rn=rovers.xml&rst=1999 http://www.jpl.nasa.gov/news/features.cfm?feature=1999&rn=rovers.xml&rst=1999 NASA / JPL science Mon, 12 Jan 2009 08:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1999&rn=rovers.xml&rst=1999'"> <img src='http://www.jpl.nasa.gov/images/mer/20090112/pia11750-th.jpg' align='left' alt='Opportunity and a distant Victoria Crater' width='100' height='75' border='0' /></a><br /> <br /> Public events during the next two weeks will share the adventures of the still-active NASA Mars rovers Spirit and Opportunity. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1992&rn=rovers.xml&rst=1992 http://www.jpl.nasa.gov/news/features.cfm?feature=1992&rn=rovers.xml&rst=1992 NASA / JPL science Mon, 29 Dec 2008 08:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1992&rn=rovers.xml&rst=1992'"> <img src='http://www.jpl.nasa.gov/images/mer/2008-12-29/Sol-B1687navcam-th.jpg' align='left' alt='View from Southwest of Victoria Crater' width='100' height='75' border='0' /></a><br /> <br /> NASA rovers Spirit and Opportunity may still have big achievements ahead as they approach the fifth anniversaries of their memorable landings on Mars. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1946&rn=rovers.xml&rst=1946 http://www.jpl.nasa.gov/news/features.cfm?feature=1946&rn=rovers.xml&rst=1946 NASA / JPL science Fri, 14 Nov 2008 08:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1946&rn=rovers.xml&rst=1946'"> <img src='http://www.jpl.nasa.gov/images/mer/2008-08-26/mer20080828-th.jpg' align='left' alt='Southern Half of Spirit's 'Bonestell' Panorama' width='100' height='75' border='0' /></a><br /> <br /> After assessing data received from NASA's Mars Exploration Rover Spirit on Thursday, mission controllers laid out plans for the rover to conserve its modest energy during the next few weeks. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1876&rn=rovers.xml&rst=1876 http://www.jpl.nasa.gov/news/features.cfm?feature=1876&rn=rovers.xml&rst=1876 NASA / JPL science Mon, 22 Sep 2008 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1876&rn=rovers.xml&rst=1876'"> <img src='http://www.jpl.nasa.gov/images/mer/20080922/crater-label-th.jpg' align='left' alt='Victoria and Endeavour Craters' width='100' height='75' border='0' /></a><br /> <br /> NASA's Mars Rover Opportunity is setting its sights on a crater more than 20 times larger than its home for the past two years. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1842&rn=rovers.xml&rst=1842 http://www.jpl.nasa.gov/news/features.cfm?feature=1842&rn=rovers.xml&rst=1842 NASA / JPL science Fri, 29 Aug 2008 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1842&rn=rovers.xml&rst=1842'"> <img src='http://www.jpl.nasa.gov/images/mer/2008-08-29/B1634_navcam_exit-th.jpg' align='left' alt='Tracks from Opportunity rover' width='100' height='75' border='0' /></a><br /> <br /> NASA's Mars Exploration Rover Opportunity has climbed out of the large crater that it had been examining from the inside since last September. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1672&rn=rovers.xml&rst=1672 http://www.jpl.nasa.gov/news/features.cfm?feature=1672&rn=rovers.xml&rst=1672 NASA / JPL science Wed, 23 Apr 2008 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1672&rn=rovers.xml&rst=1672'"> <img src='http://www.jpl.nasa.gov/images/mer/mer1-100-75.jpg' align='left' alt='artist concept of the Mars Exploration Rover' width='100' height='75' border='0' /></a><br /> <br /> A small motor in the robotic arm of NASA's Mars Exploration Rover Opportunity that began stalling occasionally more than two years ago has become more troublesome recently. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1501&rn=rovers.xml&rst=1501 http://www.jpl.nasa.gov/news/features.cfm?feature=1501&rn=rovers.xml&rst=1501 NASA / JPL science Mon, 15 Oct 2007 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1501&rn=rovers.xml&rst=1501'"> <img src='http://www.jpl.nasa.gov/images/mer/2007-10-15/pia10078-th.jpg' align='left' alt='Mars Exploration Rover - Spirit' width='100' height='75' border='0' /></a><br /> <br /> NASA is extending, for a fifth time, the activities of the Mars Exploration Rovers, Spirit and Opportunity. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1497&rn=rovers.xml&rst=1497 http://www.jpl.nasa.gov/news/features.cfm?feature=1497&rn=rovers.xml&rst=1497 NASA / JPL science Wed, 10 Oct 2007 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1497&rn=rovers.xml&rst=1497'"> <img src='http://www.jpl.nasa.gov/images/mro/20071010/pia10072-th.jpg' align='left' alt='layers inside Holden Crater, Mars' width='100' height='75' border='0' /></a><br /> <br /> Less than a year since beginning the prime science phase of its mission, NASA's Mars Reconnaissance Orbiter has passed a mission-success milestone for the amount of data returned. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1482&rn=rovers.xml&rst=1482 http://www.jpl.nasa.gov/news/features.cfm?feature=1482&rn=rovers.xml&rst=1482 NASA / JPL science Wed, 26 Sep 2007 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1482&rn=rovers.xml&rst=1482'"> <img src='http://www.jpl.nasa.gov/images/mer/opp-20070926-th.jpg' align='left' alt='layer of light-toned rock exposed inside Victoria Crater' width='100' height='75' border='0' /></a><br /> <br /> NASA's Mars Exploration Rover Opportunity has reached its science team's first destination for the rover inside Victoria Crater, information received from Mars late Tuesday confirms. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1463&rn=rovers.xml&rst=1463 http://www.jpl.nasa.gov/news/features.cfm?feature=1463&rn=rovers.xml&rst=1463 NASA / JPL science Tue, 11 Sep 2007 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1463&rn=rovers.xml&rst=1463'"> <img src='http://www.jpl.nasa.gov/images/mer/opp-20070911-th.jpg' align='left' alt='Opportunity takes first dip into Victoria Crater' width='100' height='75' border='0' /></a><br /> <br /> Today, NASA's Mars Exploration Rover Opportunity entered Victoria Crater for the first time. </p><br clear='all'/><br /> http://www.jpl.nasa.gov/news/features.cfm?feature=1434&rn=rovers.xml&rst=1434 http://www.jpl.nasa.gov/news/features.cfm?feature=1434&rn=rovers.xml&rst=1434 NASA / JPL science Tue, 07 Aug 2007 07:00:00 GMT <p><a href='http://www.jpl.nasa.gov/news/features.cfm?feature=1434&rn=rovers.xml&rst=1434'"> <img src='http://www.jpl.nasa.gov/images/mer/spirit-20070807-th.jpg' align='left' alt='Spirit uses its robotic arm' width='100' height='75' border='0' /></a><br /> <br /> Slight clearing of still-dusty Martian skies has improved the energy situation for both Spirit and Opportunity, allowing controllers to increase the rovers' science observations. </p><br clear='all'/><br />