12.18.08 - 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.
12.15.08 - The Martian arctic soil that NASA's Phoenix Mars Lander dug into this year is very cold and very dry.
12.11.08 - NASA's Mars Reconnaissance Orbiter has completed its primary, two-year science phase.
12.08.08 - The team operating the highest-resolution camera orbiting Mars has posted 362 stereo images, providing three-dimensional views of mounds, canyons, gullies and other features.› Univ. of Arizona release →
12.04.08 - Climate cycles persisting for millions of years on ancient Mars left a record of rhythmic patterns in thick stacks of sedimentary rock layers.
12.04.08 - NASA's Mars Science Laboratory will launch two years later than previously planned, in the fall of 2011.
12.01.08 - After nearly a month of daily checks to determine whether Martian NASA's Phoenix Mars Lander would be able to communicate again, the agency has stopped using its Mars orbiters to hail the lander and listen for its beep.
11.20.08 - 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.
11.19.08 - Four intriguing places on Mars have risen to the final round as NASA selects a landing site for its next Mars mission, the Mars Science Laboratory.
11.18.08 - NASA is looking for the right stuff, or in this case, the right name for the next Mars rover.
11.14.08 - 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.
11.13.08 - Phoenix has won recognition from Popular Science magazine as an innovation worthy of the publication's "Best of What's New" Grand Award in the aviation and space category.
11.13.08 - Spirit communicated via the Mars Odyssey orbiter today right at the time when ground controllers had told it to, prompting cheers among the rover team at JPL.
11.12.08 - A dust storm that has reduced power to NASA's Mars Exploration Rover Spirit is clearing, but the Spirit's status remains unknown on Wednesday.
11.10.08 - A dust storm on Mars has cut into the amount of sunlight reaching the solar array on NASA's Mars Exploration Rover Spirit, leaving the rover in a vulnerable state.
11.10.08 - NASA's Phoenix Mars Lander has ceased communications after operating for more than five months.
11.03.08 - NASA's Phoenix Mars Lander has communicated with controllers daily since Oct. 30 through relays to Mars orbiters.
10.29.08 - Phoenix, with its solar-electric power shrinking due to shorter daylight hours and a dust storm, did not respond to an orbiter's attempt to communicate with it Wednesday night and Thursday morning.
10.29.08 - NASA'S Phoenix Mars Lander entered safe mode late yesterday in response to a low-power fault brought on by deteriorating weather conditions.
10.28.08 - In a race against time and the elements, engineers with NASA's Phoenix Mars Lander mission hope to extend the lander's survival by gradually shutting down some of its instruments and heaters, starting today.