Martian dunes and sand ripples of mixed shapes and sizes form a striking pattern in a recent image from the high-resolution camera on NASA's Mars Reconnaissance Orbiter.
On the eighth anniversary of starting to explore Mars, NASA's rover Opportunity remains busy with new investigations.
NASA's Mars Science Laboratory spacecraft successfully refined its flight path Wednesday with the biggest maneuver planned for the mission's journey between Earth and Mars.
NASA's Mars Science Laboratory spacecraft has begun firing thruster engines for the first and largest flight-path adjustment of the trip from Earth to Mars.
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.
An American-Italian radar instrument orbiting Mars has mapped the three-dimensional structure of layers beneath the surface in the planet's north polar region.
NASA's car-sized Curiosity rover has begun monitoring space radiation during its 8-month trip from Earth to Mars.
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.
NASA's Mars Exploration Rover Opportunity has found bright veins of a mineral, apparently gypsum, deposited by water.
It's now easier than ever to explore Mars in the great detail offered by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.
Excellent launch precision for NASA's Mars Science Laboratory mission has forestalled the need for an early trajectory correction maneuver, now not required for a month or more.
Engineers have received data from NASA's Mars Science Laboratory showing that all systems are operating normally. The approximately eight-month journey to Mars is underway.
NASA's Dawn, Mars Science Laboratory and MESSENGER missions have been honored by Popular Science magazine with "Best of What's New" Award in aviation and space.
NASA began a historic voyage to Mars with the Nov. 26 launch of the Mars Science Laboratory, which carries a car-sized rover named Curiosity.
NASA's Curiosity rover is outfitted with everything a geologist needs on a remote world.
NASA has updated information about the news conferences and other events for the agency's Mars Science Laboratory Curiosity rover launch.
NASA's Mars Science Laboratory spacecraft with the Curiosity rover is set to launch to the planet Mars aboard an Atlas V rocket on Nov. 25, 2011 from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida.
The Mars Science Laboratory will demand a lot of power, too much for solar panels. So NASA is using a differrent source of fuel.
NASA will hold a news conference at 10 a.m. PST (1 p.m. EST), Thursday, Nov. 10, to discuss the upcoming launch of the Mars Science Laboratory, with the largest and most capable rover going to another planet.
Images from NASA's Mars Reconnaissance Orbiter show sand dunes and ripples moving across the surface of Mars at dozens of locations and shifting up to several yards.