Years of delays and an inflated budget have damaged public and political faith in California's high-speed rail project ...

Acting NASA Administrator Sean Duffy says it's time for the agency to focus on the moon and Mars, not the "smorgasbord of ...

Transportation Secretary Duffy announces FMCSA investigation into a fatal Florida truck crash involving a language-challenged ...

Comments by NASA’s acting administrator have created uncertainty about the future of Earth science programs at the space ...

U.S. Transportation Secretary and Acting NASA Administrator Sean P. Duffy has marked the Federal Aviation Administration’s (FAA) 1,000th licensed or permitted commercial space vehicle operation.

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

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

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

The illegal migrant truck driver accused of killing three in a highway accident failed an English proficiency and traffic ...

The challenge requires participants to complete 100 push-ups and 50 pull-ups within 10 minutes, with five minutes being the “top standard." ...

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.