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

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

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

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

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 ...

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

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.

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.

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

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

Transportation Secretary and interim NASA Administrator Sean Duffy outlined the space agency’s fast-track plan to build a nuclear reactor on the moon on Tuesday. “We’re in a race to the moon, in a ...