Elon Musk has hammered acting NASA chief Sean Duffy repeatedly on social media over the past few days, calling him "Sean ...

Elon Musk is taking aim at the head of NASA amid news that the U.S. space agency may consider companies other than SpaceX to ...

Transportation Secretary Sean Duffy is reportedly in a power struggle with Jared Isaacman, an Elon Musk ally, over who will ...

Starship was NASA's vehicle of choice to land astronauts on the moon before NASA head Sean Duffy's latest move. Now, Musk is ...

Musk's company is behind schedule in developing its Starship rocket. NASA's interim leader, meanwhile, wants to put ...

The billionaire’s swipes at Sean Duffy are the latest example of his tangling with members of the Trump administration.

Acting Administrator Sean Duffy calls out SpaceX’s Starship for falling 'behind schedule,' and suggesting that Blue Origin ...

Acting NASA chief Sean Duffy and billionaire Elon Musk on Tuesday traded barbs online over who should lead the space agency, ...

Tech billionaire Elon Musk took a swing at acting NASA Administrator Sean Duffy on Tuesday, calling him “Sean Dummy” and ...

SpaceX Chief Executive Elon Musk hurled insults at NASA’s acting administrator a day after complaints SpaceX was behind ...

As the government shutdown crosses the three-week mark, Democrats are increasingly calling on President Donald Trump to get ...

As the Space Coast waits to learn who will lead NASA through President Donald Trump's second term, Elon Musk, the billionaire ...