8/29/08 - NASA Mars Rover Opportunity Ascends to Level Ground
NASA's Mars Exploration Rover Opportunity has climbed out of the large crater that it had been examining from the inside since last September.
8/26/08 - NASA's Mars Rover Opportunity Climbing out of Victoria Crater
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.
4/23/08 - Shoulder Motor Balks on Opportunity Rover's Robotic Arm
A small motor in the robotic arm of NASA's Mars Exploration Rover Opportunity that began stalling occasionally more than two years ago has become more troublesome recently.
2/15/08 - Mars Rovers Sharpen Questions About Livable Conditions
Like salt used as a preservative, high concentrations of dissolved minerals in the wet, early-Mars environment known from discoveries by NASA's Opportunity rover may have thwarted any microbes from developing or surviving.
1/23/08 - Orbiting Camera Details Dramatic Wind Action on Mars
Mars' atmosphere is challenging scientists to explain complex, wind-sculpted landforms seen with unprecedented detail in images from NASA's Mars Reconnaissance Orbiter.
12/10/07 - Mars Rover Investigates Signs of Steamy Martian Past
SAN FRANCISCO - Researchers using NASA's twin Mars rovers are sorting out two possible origins for one of Spirit's most important discoveries, while also getting Spirit to a favorable spot for surviving the next Martian winter.
9/26/07 - Opportunity Reaches First Target Inside Crater
NASA's Mars Exploration Rover Opportunity has
reached its science team's first destination for the rover inside
Victoria Crater, information received from Mars late Tuesday confirms.
