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

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

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

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

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

Transportation Secretary Sean Duffy said investing in space exploration, including inhabiting the moon as a means of going to Mars, is essential to national security.

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

Eliminated or expedited' environmental reviews could raise the risk of negative environmental affects from launches.

SpaceX's path to liftoff could be easier now that President Trump is easing regulations on commercial rocket launches.

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

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