This is the first major agency effort by the interim NASA administrator, who is also the Transportation secretary and a ...

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

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

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

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

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

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

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.

The executive order directs multiple federal agencies to streamline launch licensing, fast-track spaceport construction and ...

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

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

The new timeline will be announced by interim NASA administrator Sean Duffy, according to a report citing internal documents.