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."

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

NASA’s interim administrator, Sean Duffy, wants to place a nuclear reactor on the moon within the next decade. According to a NASA directive, Duffy has accelerated the timeline for building the reactor,