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 ...

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

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

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 ...

Outer space has emerged as the world's next battlefield, demonstrated by recent cyberattacks on satellites blamed on Russia.

As Russia held its Victory Day parade this year, hackers backing the Kremlin hijacked an orbiting satellite that provides television service to Ukraine. In ...

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.