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.

The data on the moon's tidal changes were captured by NASA's satellite-based Gravity Recovery and Interior Laboratory (GRAIL) mission and the Lunar Reconnaissance Orbiter. By incorporating the ...

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 ...