Mars turned cold and dry long ago, but researchers at the University of Colorado Boulder have discovered evidence of an ancient lake that likely represents some of the last potentially habitable surface water ever to exist ...
On July 7, 2003, NASA launched its second Mars Exploration Rover, Opportunity, aboard a Delta II launch vehicle. Opportunity's dash to Mars began with liftoff at 11:18:15 p.m. EDT from Cape Canaveral Air Force Station, Florida.
Operators of NASA's Mars Exploration Rover Opportunity plan to drive the rover into a valley this month where Opportunity will be active through the long-lived rover's seventh Martian winter, examining outcrops that contain ...
On Earth, the fastest runners can finish a marathon in hours. On Mars it takes about 11 years.
An elongated crater called "Spirit of St. Louis," with a rock spire in it, dominates a recent scene from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity.
NASA says the Opportunity rover has passed the marathon mark for driving on Mars.
NASA's Mars Exploration Rover Opportunity climbed last month to an overlook for surveying "Marathon Valley," a science destination chosen because spectrometer observations from orbit indicate exposures of clay minerals.
What is up with the fossils on Mars? Found – a dinosaur skull on Mars? Discovered – a rat, squirrel or gerbil on Mars? In background of images from Curiosity, vertebrae from some extinct Martian species? And the human ...
NASA's Mars Exploration Rover Opportunity is nearing a location on Mars at which its driving distance will surpass the length of a marathon race.
A panorama from one of the highest elevations that NASA's Mars Exploration Rover Opportunity has reached in its 11 years on Mars includes the U.S. flag at the summit.