But moon landings are likely to become more common over the next few years.
"The moon is a proving ground," said Michelle Hanlon, executive director at the Center for Air and Space Law at the University of Mississippi.
But, once we figure that out, the helium-3 on the moon could seriously power the Earth, the entire Earth, for centuries," Hanlon said.
"But a second, newer part to this is the belief that there are significant resources on the moon that are useful to Earth, or useful for future space flight."
To find out more about the new moon race and why the U.S. and China are currently the leaders, watch the video.
Persons:
Michelle Hanlon, Hanlon, Dean Cheng
Organizations:
European Space Agency, Center for Air, Space, University of Mississippi, United States Institute of Peace
Locations:
Japan, Russia, China, India