Browse Archive
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Longest-Lived Mars Orbiter is Back in Service
NASA's Mars Odyssey orbiter has resumed its science observations and its role as a Mars rover's relay, thanks to a spare part that had been waiting 11 years to be put to use.
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Orbiter Out of Precautionary 'Safe Mode'
NASA's Mars Odyssey orbiter has been taken out of a protective status called safe mode.
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Test of Spare Wheel Puts Orbiter on Path to Recovery
In a step toward returning NASA's Mars Odyssey orbiter to full service, mission controllers have tested a spare reaction wheel on the spacecraft for potential use with two other reaction wheels in adjusting and maintaining the spacecraft's orientation.
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Join the Conversation About the Exploration of Mars →
NASA is busy replanning the future Mars Exploration Program - and we want to hear from you!
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NASA Mars Rover Team Targets Closer to Science Site
NASA has narrowed the target for its most advanced Mars rover, Curiosity, which will land on the Red Planet in August.
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Orbiter Puts Itself into Standby Safe Mode
NASA's Mars Odyssey orbiter put itself into precautionary standby status June 8 Universal Time, when it detected unexpected characteristics in movement of one reaction wheel.
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NASA Hosts Teleconference About Rover en Route to Mars Landing
NASA will host a media teleconference at 9 a.m. PDT (noon EDT) on June 11, to provide a status update on the Aug. 5, 2012, landing of the most advanced rover ever to be sent to Mars.
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NASA Invites Social Media Fans to Mars Landing Event
NASA will host a NASA Social for 25 of its social media fans Aug. 3-5 at the agency's Jet Propulsion Laboratory in Pasadena, Calif., in anticipation of the Curiosity rover's landing on Mars.
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NASA Study Shows Existence of Reduced Carbon on Mars
NASA-funded research on Mars meteorites that landed on Earth shows strong evidence that very large molecules containing carbon, which is a key ingredient for the building blocks of life, can originate on the Red Planet.
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Opportunity Rolling Again After Fifth Mars Winter
With its daily supply of solar energy increasing, Opportunity has driven off the sunward-tilted outcrop where it spent its fifth Martian winter.
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Mojave Desert Tests Prepare for NASA Mars Roving
Engineers ran rover-mobility tests on California sand dunes in preparation for operating NASA's Curiosity rover after it lands in Mars' Gale Crater.
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NASA Spacecraft Detects Changes in Martian Sand Dunes
MRO has revealed that movement in Mars' sand dune fields occurs on a surprisingly large scale, about the same as in dune fields on Earth.
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100 Days and Counting to NASA's Curiosity Rover Landing
At 1:31 p.m. EDT, April 27, NASA's Mars Science Laboratory, carrying the one-ton Curiosity rover, became 100 days from its appointment with Mars.
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Paydirt at 8-Year-Old Mars Rover's 'New Landing Site'
A crater NASA's Mars rover Opportunity drove for years to reach is paying off with evidence about wet environments older than any recorded at sites the rover has seen before.
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12-Mile-High Martian Dust Devil Caught in Act
A Martian dust devil roughly 12 miles high (20 kilometers) was captured whirling its way along the Amazonis Planitia region of Northern Mars on March 14.
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'Mount Sharp' On Mars Links Geology's Past and Future
One particular mountain on Mars has been beckoning would-be explorers since it was first sighted from orbit in the 1970s.
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Mars-Bound NASA Craft Adjusts Path, Tests Instruments
NASA's Mars Science Laboratory, halfway to Mars, adjusted its flight path for delivery of the one-ton rover Curiosity in August.
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NASA Mars Orbiter Catches Twister in Action
A towering dust devil casts a serpentine shadow over the Martian surface in a new image from the high-resolution camera on NASA's Mars Reconnaissance Orbiter.
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Camera on NASA Mars Odyssey Tops Decade of Discovery
NASA's Mars Odyssey, the longest-working spacecraft ever sent to Mars, has now been sending home images for 10 years.
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Figueroa to Lead New Mars Program Planning Group
NASA' s associate administrator for the Science Mission Directorate, John Grunsfeld, has named former veteran NASA program manager Orlando Figueroa to lead a newly established Mars Program Planning Group (MPPG) tasked to reformulate the agency's Mars Exploration Program.