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

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

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

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

President Donald Trump said on Wednesday he is directing Transportation Secretary Sean Duffy to be the interim NASA ...

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

Transportation Secretary Sean Duffy is about to perform double duty after President Donald Trump named him interim head of ...

Democratic Rep. Jerry Nadler of New York got into a fiery exchange with Transportation Secretary Sean Duffy on Tuesday over ...

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

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

Transportation Secretary Sean Duffy took a victory lap on Thursday, signing an agreement with the Texas Department of ...

President Donald Trump on Monday named Transportation Secretary Sean Duffy to also serve as interim NASA administrator.