NASA's GRAIL Mission Puts a New Face on the Moon

Using a precision formation-flying technique, the twin GRAIL spacecraft mapped the Moon’s gravity field, as depicted in this artist’s rendering. Image Credit: NASA/JPL-Caltech

Scientists, using data from the lunar-orbiting twins of NASA’s Gravity Recovery and Interior Laboratory (GRAIL) mission, are gaining new insight into how the face of the Moon received its rugged […]