06.14.12 - 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.
06.12.12 - NASA is busy replanning the future Mars Exploration Program - and we want to hear from you!› About the Mars Program Planning Group
06.11.12 - NASA has narrowed the target for its most advanced Mars rover, Curiosity, which will land on the Red Planet in August.
06.08.12 - 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.
06.07.12 - 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.
06.05.12 - 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.
05.24.12 - 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.
05.09.12 - With its daily supply of solar energy increasing, Opportunity has driven off the sunward-tilted outcrop where it spent its fifth Martian winter.
05.11.12 - Engineers ran rover-mobility tests on California sand dunes in preparation for operating NASA's Curiosity rover after it lands in Mars' Gale Crater.
05.09.12 - 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.
04.27.12 - 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.
05.03.11 - 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.
04.04.12 - 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.
03.28.12 - One particular mountain on Mars has been beckoning would-be explorers since it was first sighted from orbit in the 1970s.
03.26.12 - NASA's Mars Science Laboratory, halfway to Mars, adjusted its flight path for delivery of the one-ton rover Curiosity in August.
03.07.12 - 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.
02.29.12 - NASA's Mars Odyssey, the longest-working spacecraft ever sent to Mars, has now been sending home images for 10 years.
02.27.12 - 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.
02.24.12 - Curiosity, the mini-Cooper-sized rover, is playing the role of stunt double for NASA astronauts, as it monitors radiation levels on its journey to Mars.
02.09.12 - Engineers find the cause of a computer reset on NASA's Mars Science Laboratory and determine how to correct it.