Watch this stunning lunar flyby taken shortly before GRAIL's planned impact

On December 17 of last year, the NASA GRAIL mission came to a close when the Ebb spacecraft that had been orbiting the moon crashed into a mountain near its north pole. Three days prior to this planned impact, two cameras aboard the spacecraft took a series of images — now, NASA has stitched together the photos to… » 1/16/13 6:40am 1/16/13 6:40am

NASA's GRAIL Mission returns jaw-dropping maps of the Moon, unprecedented findings

Not since we laid eyes on these stunning, Jackson Pollock-esque astrogeological maps have we seen lunar cartography this gorgeous. These colorful, remarkably detailed maps of the Moon's surface are just some of the early data collected by NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission — findings… » 12/06/12 10:30am 12/06/12 10:30am

NASA gears up for its journey to the center of the Moon

NASA's on a mission to uncover the secrets of the Moon's formation, and they'll have to journey to its core to do it. But there wont be any drilling on this expedition. Instead, the agency will employ two identical, orbiting spacecraft — dubbed GRAIL-A and GRAIL-B — to take precise measurements of the Moon's… » 12/30/11 3:30pm 12/30/11 3:30pm