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.

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 ...

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.

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

"This reckless order puts people and wildlife at risk from private companies launching giant rockets that often explode and ...

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

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

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.

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

SpaceX's path to liftoff from Starbase in South Texas could be easier now that President Trump is easing regulations on commercial spaceflight.