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Last updated on April 20, 2014 at 8:28 EDT

Latest NASA's GRAIL mission Stories

Image 1 - The Mystery Of The Missing Moon
2011-09-08 06:52:06

  As early as Sept. 8th, NASA's GRAIL mission will blast off to uncover some of the mysteries beneath the surface of the Moon. That cratered gray exterior hides some tantalizing things — even, perhaps, a long-lost companion. If a paper published recently in the journal Nature* is right, two moons once graced our night skies. The proposition has not been proven, but has drawn widespread attention. "It's an intriguing idea," says David Smith, GRAIL's deputy principal...

35abb3e36a271cf3a26bd2804c108f091
2010-07-29 07:30:00

Engineers have conducted a fuel tank check of one of NASA's GRAIL mission spacecraft (Gravity Recovery and Interior Laboratory), scheduled for launch in 2011. Confirming the size and fit of manufactured components is one of the steps required prior to welding the spacecraft's fuel tanks into the propulsion system's feed lines. The image was taken on June 29, 2010, during the propulsion subsystem assembly and integration effort in the Space Support Building clean room at Lockheed Martin Space...