Researchers have been able to collect data on the moon's change using NASA's satellite-based Gravity Recovery and Interior Laboratory (GRAIL) mission and the Lunar Reconnaissance Orbiter.

In the new work, researchers captured yearly changes for the first time by analyzing data from NASA's satellite-based Gravity ...

NASA's GRAIL ("Gravity Recovery and Interior Laboratory") mission launched twin spacecraft dubbed "Ebb" and "Flow" to lunar orbit in 2011. The GRAIL probes were also designed and built by Lockheed ...