Browse Archive

  • artist's concept of the Mars Reconnaissance Orbiter

    Team Plans Uplink of Protective Files

    11.24.09 - The team operating NASA's Mars Reconnaissance Orbiter plans to uplink protective files to the spacecraft next week as one step toward resuming the orbiter's research and relay activities.

  • Free Spirit

    Third Extrication Drive Ends With Wheel Stall

    11.23.09 - Spirit experienced a wheel stall with the right-rear wheel during the second step of a two-step drive on Sol 2092 (Saturday, Nov. 21).

  • Free Spirit

    Third Extrication Drive Ends With Wheel Stall

    11.23.09 - Spirit experienced a wheel stall with the right-rear wheel during the second step of a two-step drive on Sol 2092 (Saturday, Nov. 21).

  • Movement from Spirit's Second Extrication Drive

    Free Spirit: Second Extrication Drive Yields Slight Progress

    11.19.09 - After spinning the wheels for the equivalent of 2.5 meters (8.2 feet) in the forward direction, the center of the rover moved approximately 12 millimeters (0.5 inch) forward, 7 millimeters (0.3 inch) to the left and about 4 millimeters (0.2 inch) down.

  • Spirit photographs her underbelly

    Free Spirit: Second Planned Extrication Drive is Straight Ahead Again

    11.18.09 - 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.

  • Spirit photographs her underbelly

    Free Spirit: Tilt Parameters End First Extrication Drive

    11.17.09 - 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.

  • NASA and Microsoft Allow Earthlings to Become Martians

    NASA and Microsoft Allow Earthlings to Become Martians

    11.17.09 - NASA and Microsoft Corp. of Redmond, Wash., have collaborated to create a Web site where Internet users can have fun while advancing their knowledge of Mars.

  • Computer reconstruction of Spirit's predicament

    NASA to Begin Attempts to Free Sand-Trapped Mars Rover

    11.12.09 - 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.

  • NASA's Mars Exploration Rover Spirit recorded this forward view of its arm and surroundings

    Free Spirit: Tests Prepare to Extract Rover

    10.19.09 - 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.

  • Layers in the lower portion of two neighboring buttes within the Noctis Labyrinthus formation on Mars are visible in this image from the High Resolution Imaging Science Experiment camera on NASA's Mars Reconnaissance Orbiter

    New Set of High-Resolution Mars Images Online

    10.07.09 - Thousands of image products from 233 recent telescopic observations by NASA's Mars Reconnaissance Orbiter show a diversity of surface shapes and textures on Mars.

  • Steven W. Squyres, principal scientific investigator for the Mars Exploration Rover mission

    Squyres Wins Carl Sagan Medal for Public Outreach

    10.05.09 - The principal investigator of the Mars Exploration Rovers is honored for excellence in communicating the mission to the public.

  • Selby Cull

    Panelist Biographies

    09.24.09 - The team operating the Context Camera (CTX) aboard NASA's Mars Reconnaissance Orbiter frequently discovers new dark spots on Mars that, upon closer examination, turn out to be brand new impact craters.

  • Selby Cull

    NASA TO HOLD TELECONFERENCE TO DISCUSS NEW FINDINGS ABOUT MARS

    09.24.09 - NASA's Jet Propulsion Laboratory in Pasadena, Calif., will host a media teleconference at noon PDT (3 p.m. EDT) on Thursday, Sept. 24, to discuss new research results from NASA's Mars Reconnaissance Orbiter.

  • artist's concept of the Mars Reconnaissance Orbiter

    Preventive Care Continues; Science on Hold

    09.04.09 - During analysis of four safe-mode events this year, engineers for NASA's Mars Reconnaissance Orbiter project have identified a vulnerability to the effects of subsequent events.

  • Shallow Radar instrument on NASA's Mars Reconnaissance Orbiter for mapping underground ice-rich layers of the north polar layered terrain on Mars.

    Radar Map of Buried Mars Layers Matches Climate Cycles

    09.22.09 - New, three-dimensional imaging of Martian north-polar ice layers by a radar instrument on NASA's Mars Reconnaissance Orbiter is consistent with theoretical models of Martian climate swings during the past few million years.

  • A rover team member checks the tilt of the lightweight test rover at NASA's Jet Propulsion Laboratory

    Free Spirit: Computer Modeling and Dusty Testing

    09.14.09 - Tests on Earth simulating Spirit's predicament on Mars have reinforced understanding that getting Spirit to rove again will be very difficult.

  • image from NASA's Mars Reconnaissance Orbiter shows gullies near the edge of Hale crater on southern Mars.

    Thousands of New Images Show Mars in High Resolution

    09.02.09 - Thousands of newly released images from more than 1,500 telescopic observations by NASA's Mars Reconnaissance Orbiter show a wide range of gullies, dunes, craters, geological layering and other features on the Red Planet.

  • artist's concept of the Mars Reconnaissance Orbiter

    Orbiter in Safe Mode Increases Communication Rate

    08.28.09 - Engineers for NASA's Mars Reconnaissance Orbiter project have stepped up the communication rate being received from the orbiter as an early step in the process of determining why the spacecraft spontaneously rebooted its computer on Aug. 26

  • artist's concept of the Mars Reconnaissance Orbiter

    Mars Orbiter Puts Itself in Safe Mode Again

    08.26.09 - NASA's Mars Reconnaissance Orbiter put itself into a safe mode Wednesday morning, Aug. 26, for the fourth time this year, while maintaining spacecraft health and communications.

  • full-circle view from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Spirit

    Free Spirit: Dust Storm Passing Over Spirit

    08.25.09 - 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.