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

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 ...

A semitruck driver is under investigation by the Federal Motor Carrier Safety Administration after he allegedly attempted to make an illegal U-turn in St. Lucie County, Florida ...

The feds are threatening funding cuts to the MTA if the agency does not file an amended risk assessment for track workers ...

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

Transportation Secretary Sean Duffy revealed he locked horns with Elon Musk in a fiery clash over the mass firing of air ...

Transportation Secretary Sean Duffy wants $19 billion more for his plan to overhaul the air traffic control system. Are lawmakers receptive to another surge of spending?

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 used humor to turn aside a recent question about aliens. “I just want to be really clear ...

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