Sean Duffy, the newly appointed acting NASA Administrator, was hit with a Community Note on Twitter after he attempted to ...

The NTSB on Wednesday will begin three days of hearings over the deadly midair collision in Washington, D.C., earlier this ...

President Donald Trump named Sean Duffy interim chief of the space agency. Duffy takes over from Janet Petro, who had served ...

It's been six months since 67 people were killed in a midair collision over the Potomac River, and now lawmakers say they are ...

Duffy, also the Transportation Secretary, has no space background, but has been an MTV reality star and a congressman.

NASA's leadership change comes at a pivotal moment for the agency, which is already bracing for potentially severe funding ...

Sean Duffy, the U.S. Transportation Secretary and former Wisconsin congressman, spent his second day at EAA AirVenture in ...

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

Transportation Secretary Sean Duffy, the former Wisconsin congressman, is about to perform double duty after President Donald Trump named him to lead NASA on an interim basis. News of Duffy's ...

During a House Transportation and Infrastructure Committee hearing, Rep. Jerry Nadler (D-NY) questioned Transportation Secretary Sean Duffy about his comments on New York City's subways and congestion ...

Democratic Rep. Jerry Nadler of New York got into a fiery exchange with Transportation Secretary Sean Duffy on Tuesday over the safety of New York City subways during a House Transportation and ...

Transportation Secretary Sean Duffy took a victory lap on Thursday, signing an agreement with the Texas Department of Transportation to allow the state greater authority over its own environmental ...