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.
05.03.11 - 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.
01.24.12 - On the eighth anniversary of starting to explore Mars, NASA's rover Opportunity remains busy with new investigations.
01.05.12 - Researchers plan to keep NASA's Opportunity rover busy through Martian winter at a sun-facing site, "Greeley Haven," where a study of the planet's core has begun.
12.08.11 - Autonomous Exploration for Gathering Increased Science (AEGIS), novel autonomy software that has been operating on the Mars Exploration Rover Opportunity since December 2009, is NASA's 2011 Software of the Year recipient.
12.07.11 - NASA's Mars Exploration Rover Opportunity has found bright veins of a mineral, apparently gypsum, deposited by water.
10.10.11 - A sequence of images, each taken at the end of a Martian day's drive, and a soundtrack from rover accelerometer data make a unique audio-visual record of a trek on Mars.
10.03.11 - NASA Mars rovers Spirit and Opportunity, and the team that made and operated them, will receive a lifetime achievement award from Popular Mechanics magazine this month.
09.28.11 - NASA's Jet Propulsion Laboratory is joining forces with Utah's original corn maze, Cornbelly's Corn Maze and Pumpkin Fest, for a kickoff celebration on Sept. 30 and Oct. 1.
09.14.11 - The second rock that NASA's Mars Exploration Rover Opportunity is examining in its new neighborhood offers a taste of bedrock.
09.12.11 - A view of a memorial to victims of the Sept. 11, 2001, attacks on the World Trade Center towers was taken on Mars yesterday, on the 10th anniversary of the attacks.
09.08.11 - Two interplanetary memorials to victims of the Sept. 11, 2001, attacks reside on Mars in tools from New York used by NASA's Mars rovers Spirit and Opportunity.
09.01.11 - The initial work of NASA's Mars rover Opportunity at its new location on Mars shows surface compositional differences from anything the robot has studied in its first 7.5 years of exploration.
08.30.11 - NASA will host a media teleconference on Thursday, Sept. 1, at 12:30 p.m. PDT (3:30 p.m. EDT) to discuss progress of NASA's Mars Exploration Rover Opportunity.
08.19.11 - NASA's Mars Exploration Rover Opportunity has captured eye-catching images of Martian terrain from its new perch at Endeavour Crater.
08.10.11 - After a journey of almost three years, Opportunity reached the Red Planet’s Endeavour Crater to study rocks never seen before.
08.08.11 - NASA's Mars Exploration Rover Opportunity may reach the rim of Endeavour crater in coming days.
07.19.11 - NASA's Mars Exploration Rover Opportunity completed a drive on July 17 that took the vehicle's total driving distance on Mars past 20 miles.
06.08.11 - NASA's Mars Exploration Rover Opportunity is driving toward a destination informally named "Spirit Point" in honor of the rover's twin.
06.02.11 - After a recent encounter with a young crater, NASA Mars Exploration Rover Opportunity surpassed 30 kilometers (18.64 miles) in total driving yesterday (June 1).