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

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

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

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

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

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

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

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

Transportation Secretary Sean Duffy opened up about his past dispute with tech mogul Elon Musk over the guru’s push to slash ...

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

Transportation Secretary and reality TV personality Sean Duffy is continuing to blame the problems that are happening during ...

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