The U.S. Department of Transportation is investigating three blue states’ possible involvement in an Aug. 12 fatal car crash ...

Transportation Secretary Sean Duffy says he is optimistic a “brand new system” for air-traffic control can be implemented in ...

The Transportation secretary says the effort is about safety, but some rail experts and the wind industry say there's little ...

Sean Duffy, acting administrator of NASA, speaks with CBS News' Mark Strassmann about the new space race with China.

Transportation Secretary Sean Duffy accused his predecessor of lowering the testing standards to become an air traffic ...

Transportation Secretary Sean Duffy said he does not "agree with subsidizing green energy," but he will run the NEVI program ...

Transportation Secretary Sean Duffy detailed his spat with Elon Musk over firing air traffic controllers during an appearance ...

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

This is the first major agency effort by the interim NASA administrator, who is also the Transportation secretary and a ...

Sean Duffy, serving as interim NASA administrator, reportedly plans to direct the agency to develop a nuclear reactor for ...