Acting administrator Sean Duffy directed NASA to support a broad set of private space-station work as officials battle over ...

Acting NASA Administrator Sean Duffy has directed the agency to fast-track plans to put a nuclear reactor on the moon.

NASA’s new directive aims to power the Moon’s shadowy regions—but skeptics wonder what’s really behind the rush.

Is NASA going to put a nuclear reactor on the moon? Here's what Sean Duffy said about U.S. race against China in space and going to Mars.

The plan appears to be Duffy’s first major directive since being selected by Trump to lead NASA on an interim basis in early ...

The plan appears to be Duffy’s first major directive since being selected by Trump to lead NASA on an interim basis in early ...