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 ...

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

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

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 used humor to turn aside a recent question about aliens. “I just want to be really clear ...

President Donald Trump’s transportation secretary, Sean Duffy, has ordered NASA to build a nuclear reactor on the moon, just weeks after being named interim head of the space agency. Duffy’s ...

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

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

DOT officials launched a new million-dollar idea challenge targeted at the future of American transportation and ...

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