Acting NASA Administrator Sean Duffy used humor to turn aside a recent question about aliens. “I just want to be really clear ...

Acting NASA administrator Sean Duffy told Fox News host Jimmy Failla he had not yet been given "the alien briefing," despite ...

U.S. Transportation Secretary and acting NASA Administrator Sean Duffy joined President Donald J. Trump in signing of the Executive Order.

Sean Duffy, the acting administrator of NASA for a little more than a month, has vowed to make the United States great in space.

Acting NASA Administrator Sean Duffy said Thursday that climate and earth science at the agency will “move aside” as it ...

The space agency has previously explored the possibility of installing a electricity-generating nuclear reactor on the lunar ...

President Donald Trump ’s NASA chief Sean Duffy has expedited the timeline to build a nuclear reactor on the moon, according ...

SpaceX President Gwynne Shotwell assured NASA Administrator Sean Duffy that the Human Landing System (HLS) variant of ...

As able as he is, the situation cries out for a permanent NASA administrator, someone with the respect of both President Trump and the Congress.

NASA is fast-tracking plans to deploy a nuclear reactor on the lunar surface by 2030 as a strategic imperative to prevent ...

Sean Duffy, serving as interim NASA administrator, reportedly plans to direct the agency to develop a nuclear reactor for ...

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 ...