Acting administrator Sean Duffy directed NASA to support a broad set of private space-station work as officials battle over ...

SpaceX was back one day after a weather-related scrub and threaded the needle amid threatening clouds to send up the Crew-11 ...

NASA's new temporary administrator on Thursday held a rare face-to-face meeting in Florida with Russia's space agency chief, ...

The four Crew-11 crew members joined seven other astronauts in the International Space Station early Saturday morning ...

Four astronauts are on their way to the International Space Station after being sidelined by Boeing's Starliner trouble and ...

The SpaceX transport of Crew-11 to the ISS is ready to launch Friday after Thursday's weather scrub. Crew-11 will relieve ...

Acting NASA Administrator Sean Duffy has directed the agency to fast-track plans to put a nuclear reactor on the moon.

NASA's acting administrator, Sean Duffy, plans to accelerate the construction of a nuclear reactor that could be used on the ...

This will be Sean Duffy's first major action since President Donald Trump named him interim NASA administrator in June.

Duffy's directive orders NASA to prepare a 100-kilowatt nuclear reactor for launch by 2030, according to Politico. It might ...

Is NASA going to put a nuclear reactor on the moon? Here's what Sean Duffy said about U.S. race against China in space and going to Mars.

The directive orders NASA to solicit industry proposals for a 100-kilowatt nuclear reactor to launch by 2030, a high priority ...