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

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 on Tuesday expressed his concerns about near misses at airports following a deadly plane ...

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

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.

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

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

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

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

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

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 ...