U.S. Secretary of Transportation Sean Duffy attended AirVenture on Tuesday to make an announcement for aviation regulation.

Draconian budget and staff cuts could mean another Challenger disaster, warn current and former NASA employees.

DOT head Sean Duffy announced $488 million in grants, proposed streamlining the grant process, encouraged state-led ...

The National Highway Traffic Safety Administration (NHTSA) is reconsidering its new Corporate Average Fuel Economy (CAFE) ...

U.S. Transportation Secretary Sean Duffy has been lobbying lawmakers, so they vote to invest billions more in air traffic safety.

In a letter to NASA's interim chief, Sean Duffy, the group slammed "wasteful changes" that undermine NASA's core mission.

The U.S. Transportation Secretary is so pro-car that he risks making transportation less safe. Plus other news.

The Trump administration imposed new restrictions on flights from Mexico and threatened to end a longstanding partnership ...

Current and former NASA employees have co-signed a declaration protesting changes at the agency that some say pose a grave ...

Several hundred current and former NASA employees, including at least four retired astronauts, backed a letter that opposes ...