The United States space agency has pioneered planetary science technologies as the world's leader in climate research for ...

NASA is changing its focus. The agency will now prioritize space exploration over climate research. Sean Duffy announced the ...

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

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

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 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 ...

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 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.

It’s a power move. The Trump administration aims to accelerate the construction of a nuclear reactor on the moon, Transportation Secretary and acting NASA Administrator Sean Duffy wrote in a memo ...

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