Transportation Secretary Sean Duffy is the latest Cabinet member to draw the ire of the Trump administration after pissing ...

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 ...

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

A spat over the future of NASA under the Trump administration went public on Tuesday, with Elon Musk panning Transportation ...

Part of the problem is that Nasa has taken a vastly more complicated route to send its astronauts to the Moon, combining ...

Sean Duffy, the Secretary of Transportation and acting administrator of NASA, appeared on CNBC on Monday to say that SpaceX ...

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

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

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

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

Sean Duffy called out SpaceX for being “behind schedule” on a lunar lander and said he’d explore other options.

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