Browse Archive
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Radar Map of Buried Mars Layers Matches Climate Cycles
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.
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Preventive Care Continues; Science on Hold
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.
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Thousands of New Images Show Mars in High Resolution
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.
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Orbiter in Safe Mode Increases Communication Rate
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
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Mars Orbiter Puts Itself in Safe Mode Again
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.
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Mars Orbiter Shows Angled View of Martian Crater
The high-resolution camera on NASA's Mars Reconnaissance Orbiter has returned a dramatic oblique view of the Martian crater that a rover explored for two years.
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Science Operations Resume
NASA's Mars Reconnaissance Orbiter has been restored to full operations, making intensive science observations of Mars, four days after it unexpectedly switched to its backup computer.
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Orbiter Safe After Computer Swap
NASA's Mars Reconnaissance Orbiter is in safe mode, a precautionary standby status, and in communications with Earth after unexpectedly switching to its backup computer on Thurs. Aug. 6.
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Mars Orbiter Resumes Science Observations
NASA's Mars Reconnaissance Orbiter is examining Mars again with its scientific instruments after successfully transitioning out of a precautionary standby mode triggered by an unexpected June 3 rebooting of its computer.
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Rebooting Resembles February Event
NASA's Mars Reconnaissance Orbiter is in safe mode and in communications with Earth after an unexpected rebooting of its computer.
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Orbiter Resumes Normal Science Operations
NASA's Mars Reconnaissance Orbiter has fully recovered from an unexpected computer re-set last week and resumed its scientific investigation of Mars.
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Orbiter Puts Itself into Precautionary Mode
NASA's Mars Reconnaissance Orbiter unexpectedly rebooted its computer Monday morning, Feb. 23, and put itself into a limited-activity mode that is an automated safety response.
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Scientists Find 'Missing' Mineral and Clues to Mars Mysteries
Researchers using a powerful instrument aboard NASA's Mars Reconnaissance Orbiter have found a long-sought-after mineral on the Martian surface and, with it, unexpected clues to the Red Planet's watery past.
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Mars Orbiter Completes First Phase of Science Mission
NASA's Mars Reconnaissance Orbiter has completed its primary, two-year science phase.
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NASA Orbiter Finds Martian Rock Record With 10 Beats to the Bar
Climate cycles persisting for millions of years on ancient Mars left a record of rhythmic patterns in thick stacks of sedimentary rock layers.
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NASA Spacecraft Detects Buried Glaciers on Mars
NASA's Mars Reconnaissance Orbiter has revealed vast Martian glaciers of water ice under protective blankets of rocky debris at much lower latitudes than any ice previously identified on the Red Planet.
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NASA Orbiter Reveals Details of a Wetter Mars
NASA's Mars Reconnaissance Orbiter has observed a new category of minerals spread across large regions of Mars.
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NASA Orbiter Reveals Rock Fracture Plumbing on Mars
NASA's Mars Reconnaissance Orbiter has revealed hundreds of small fractures exposed on the Martian surface that billions of years ago directed flows of water through underground Martian sandstone.
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NASA Spacecraft Shows Diverse, Wet Environments on Ancient Mars
Two studies based on data from NASA's Mars Reconnaissance Orbiter have revealed that the Red Planet once hosted vast lakes and a variety of other wet environments that had the potential to support life.
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NASA Spacecraft Reveal Largest Crater in Solar System
New analysis of Mars' terrain using NASA spacecraft observations reveals what appears to be by far the largest impact crater ever found in the solar system.