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.

T his week NASA administrator Sean Duffy declared the Trump Administration's intention to land a working nuclear fission ...

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

Transportation Secretary Sean Duffy, the interim NASA administrator, proclaimed that the U.S. needs to ‘get our act together’ ...

Acting NASA Administrator Sean Duffy said Thursday that climate and earth science at the agency will “move aside” as it refocuses solely on space exploration. “All the climate science and all of ...

Transportation Secretary and acting NASA Administrator Sean Duffy's plan to fast-track nuclear reactors on the moon is a ...

U.S. Transportation Secretary and Acting NASA Administrator Sean P. Duffy has marked the Federal Aviation Administration’s (FAA) 1,000th licensed or permitted commercial space vehicle operation.

Acting NASA Administrator Sean Duffy says it's time for the agency to focus on the moon and Mars, not the "smorgasbord of ...

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

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

Sean Duffy, acting administrator of NASA, speaks with CBS News' Mark Strassmann about the new space race with China.