Placing an atomic energy source on the lunar surface is “not science fiction,” experts say, but does pose technical challenges.

Sean Duffy wants to fast-track putting a 100kw nuclear reactor on the moon, according to a directive he sent out Thursday. It would help win the "space race."

Interim NASA Administrator Sean Duffy says his plan to put a nuclear reactor on the moon is part of his plain to "get there first and claim that for America."