NASA's Mars Reconnaissance Orbiter has revealed hundreds of small fractures exposed on the Martian surface that billions of years ago directed flows of water through underground Martian sandstone.
Two studies based on data from NASA's Mars Reconnaissance Orbiter have revealed that the Red Planet once hosted vast lakes and a variety of other wet environments that had the potential to support life.
New analysis of Mars' terrain using NASA spacecraft observations reveals what appears to be by far the largest impact crater ever found in the solar system.
New observations from NASA's Mars Reconnaissance Orbiter indicate that the crust and upper mantle of Mars are stiffer and colder than previously thought.
09.19.08 - More than 1,500 newly released images from a spectrometer instrument on NASA's Mars Reconnaissance Orbiter will boost understanding of what minerals exist where on the Martian surface.
09.18.08 - Newly posted images from more than 1,000 observations by the high resolution camera on NASA's Mars Reconnaissance Orbiter reveal details as small as a desk.