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

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

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.

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

The executive order directs multiple federal agencies to streamline launch licensing, fast-track spaceport construction and ...

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 ...

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

One month after Congress passed a federal budget bill with a provision directing NASA to transfer a space shuttle to Texas, ...

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

Fast-tracking a Nasa plan to build a nuclear reactor on the moon may sound dubious. Experts say that’s because it is.

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