• Dawn Sets Its Sights on Ceres

    Updated: 2012-07-30 18:08:58
    By Marc Rayman As NASA’s Dawn spacecraft investigates its first target, the giant asteroid Vesta, Marc Rayman, Dawn’s chief engineer, shares a monthly update on the mission’s progress. Three impact craters of different sizes, arranged in the shape of a snowman, make up one of the most striking features on Vesta, as seen in this view from [...]

  • NASA probe problems could add suspense to Mars landing

    Updated: 2012-07-17 00:56:50
    WASHINGTON — When NASA’s newest Mars rover arrives at the Red Planet next month, it’ll have a harrowing descent, called “seven minutes of terror” by agency officials, before it lands safely or becomes a $2.5 billion crater. But NASA — nor the public — might not know the fate of the Curiosity rover for a couple [...]

  • A Different Slant:

    Updated: 2012-07-09 23:43:38
    By Duane Roth Cassini Has a Special View of Saturn These Days - How Did It Get There? For the past 18 months, NASA’s Cassini spacecraft has been orbiting Saturn in practically the same plane as the one that slices through the planet’s equator. Beginning with the Titan flyby on May 22, navigators started to tilt Cassini’s [...]

  • Shedding Light on the Scarred Face of Asteroid Vesta

    Updated: 2012-07-05 23:22:56
    By Marc Rayman As NASA’s Dawn spacecraft investigates its first target, the giant asteroid Vesta, Marc Rayman, Dawn’s chief engineer, shares a monthly update on the mission’s progress. This image, from NASA’s Dawn spacecraft, shows rock material that has moved across the surface and flowed into a low area in the ridged floor of the Rheasilvia basin [...]

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