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

Transportation Secretary Sean Duffy says he doesn't agree with federal subsidies for high-speed EV chargers, but that his ...

Transportation Secretary Sean Duffy has described the rate of aircraft accidents in Alaska as “unacceptable,” pledging ...

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