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."

President Donald Trump’s transportation secretary, Sean Duffy, has ordered NASA to build a nuclear reactor on the moon, just weeks after being named interim head of the space agency. Duffy’s appointment as NASA’s chief administrator came after Elon Musk’s pick for the post,