04.21.11 - NASA's Mars Reconnaissance Orbiter has discovered the total amount of atmosphere on Mars changes dramatically as the tilt of the planet's axis varies.
04.06.11 - New images show Curiosity, the rover for NASA's Mars Science Laboratory mission, looking similar to how it will appear after it lands on Mars in August 2012.
03.25.11 - The main camera instrument for the next rover to Mars will use a pair of cameras with different focal lengths, already installed and tested, rather than twin zoom cameras.
03.18.11 - Hopes for reviving NASA's Spirit Mars rover dimmed further with passage last week of the point at which the rover's locale received its maximum sunshine for the Martian year.
03.18.11 - For most of this month, the Mars Science Laboratory mission's rover, Curiosity, is inside a sealed chamber where conditions simulate those it will experience on Mars.
03.17.11 - Governments of the United States and Spain saluted collaboration in the Mars Science Laboratory mission with an agreement-signing ceremony today, March 17, in Madrid.
03.09.11 - NASA's versatile Mars Reconnaissance Orbiter, which began orbiting Mars five years ago on March 10, has radically expanded our knowledge of the Red Planet and is now working overtime.
03.09.11 - A new color view from NASA's Mars Reconnaissance Orbiter catches the rover Opportunity at work beside a football-field-size crater which the rover will soon leave behind.
03.08.11 - Rocks on Mars dug from far underground by crater-blasting impacts are providing glimpses of one possible way Mars' atmosphere has become much less dense than it used to be.
02.18.11 - NASA's next Mars rover, Curiosity, will take a next generation "hands-on" look at rocks and soils to determine the chemical makeup near its landing zone.
02.14.11 - Hearty thoughts are prompted by the image of a crater in the Arabia Terra region of Mars, taken by the Conext Camera on NASA's Mars Reconnaissance Orbiter.
02.03.11 - Sand dunes in a vast area of northern Mars long thought to be frozen in time are changing with both sudden and gradual motions, according to research using images from a NASA orbiter.
01.20.11 - The team operating NASA's Mars rover Opportunity will temporarily suspend commanding for 16 days after the rover's seventh anniversary next week, but the rover will stay busy.
01.18.11 - One of the jobs for the biggest science instrument on NASA's next Mars rover will be to check for the carbon-based molecular building blocks of life.
01.11.11 - Scientists will discuss recent discoveries about Mars and future Mars exploration at a Jan. 13 event to be streamed live and archived.
11.02.10 - The project team that built and operates the Mars rovers Spirit and Opportunity has become the first NASA space mission to use cloud computing for daily mission operations.
11.04.10 - Nine months after last hearing from the Mars rover Spirit, NASA is stepping up efforts to regain communications with the rover before spring ends on southern Mars in mid-March.
01.04.11 - NASA's Mars Reconnaissance Orbiter has photographed the Mars Exploration Rover Opportunity beside a crater where the rover will spend the seventh anniversary of its landing.
12.22.10 - One Mars movie gives a rover's-eye view of a bluish Martian sunset; another shows the silhouette of Phobos passing in front of the sun.
12.23.10 - NASA's Mars Exploration Rover Opportunity will spend a few weeks investigating a football-field-size crater informally named "Santa Maria."