09.01.08 - Scientists have begun to analyze a sample of soil delivered to NASA's Phoenix Mars Lander's wet chemistry experiment from the deepest trench dug so far in the Martian arctic plains.
08.25.08 - NASA's Phoenix Mars Lander, having completed its 90-day primary mission, is continuing its science collection activities.
08.29.08 - NASA's Mars Exploration Rover Opportunity has climbed out of the large crater that it had been examining from the inside since last September.
08.25.08 - The next sample of Martian soil being grabbed for analysis is coming from a trench about three times deeper than any other trench NASA's Phoenix Mars Lander has dug.
08.26.08 - NASA's Mars Exploration rover Opportunity is heading back out to the Red Planet's surrounding plains nearly a year after descending into a large Martian crater to examine exposed ancient rock layers.
08.21.08 - Phoenix has scooped up a soil sample from an intermediate depth between the ground surface and a subsurface icy layer.
08.20.08 - NASA's Phoenix Mars Lander scientists and engineers are continuing to dig into the area around the lander with the spacecraft's robotic arm, looking for new materials to analyze and examining the soil and ice subsurface structure.
08.14.08 - Phoenix has taken the first-ever image of a single particle of Mars' ubiquitous dust, using its atomic force microscope.
08.09.08 - Vibration of the screen above a laboratory oven on NASA's Phoenix Mars Lander on Saturday got enough soil into the oven begin analysis of the sample.
08.05.08 - Phoenix Mars mission scientists spoke today on research in progress concerning an ongoing investigation of perchlorate salts detected in soil analyzed by the wet chemistry laboratory aboard NASA's Phoenix Lander.
07.31.08 - Laboratory tests aboard NASA's Phoenix Mars Lander have identified water in a soil sample.
07.29.08 - A distinctive hard-surface feature called "Snow Queen" beneath NASA's Phoenix Mars Lander visibly changed sometime between mid-June and mid-July, close-up images from the Robotic Arm Camera show.
07.28.08 - Scientists and engineers on NASA's Phoenix Mars Mission spent the weekend examining how the icy soil on Mars interacts with the scoop on the lander's robotic arm, while trying different techniques to deliver a sample to one of the instruments.
07.27.08 - NASA's Phoenix Mars Lander's robotic arm will use a revised collection-and-delivery sequence overnight Sunday with the goal of depositing an icy soil sample in the lander's oven.
06.23.08 - NASA's Phoenix Mars Lander has delivered a scoop of Martian soil from the "Snow White" trenches to the optical microscope for analysis tomorrow, June 24, the 29th Martian day of the mission, or Sol 29.
07.26.08 - NASA's Phoenix Mars Lander's robotic arm collected a more than adequate amount of icy soil for baking in one of the lander's ovens but will need to adjust how it delivers samples.
07.25.08 - Phoenix's robotic arm scoop is primed and ready to collect a soil sample from the northern region of Mars to analyze for the presence of water and other possible ingredients.
07.24.08 - NASA's Phoenix Mars Lander has groomed the bottom of a shallow trench to prepare for collecting a sample to be analyzed from a hard subsurface layer where the soil may contain frozen water.
07.23.08 - The latest activities of NASA's Phoenix Mars Lander have moved the mission closer to analyzing a sample of material, possibly icy soil, from a hard layer at the bottom of a shallow trench beside the lander.
07.22.08 - Phoenix early Tuesday finished its longest work shift of the mission.