The United States space agency has pioneered planetary science technologies as the world's leader in climate research for more than 40 years, but that may be about to change.

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

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

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

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

As able as he is, the situation cries out for a permanent NASA administrator, someone with the respect of both President ...

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

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

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

Overhaul of nation's air traffic control system has started with training of controllers, Transportation Secretary Sean Duffy ...