In the past, space exploration was about getting to the Moon first. Now, it’s about staying there. As global competition in ...

Nasa’s acting administrator Sean Duffy plans to accelerate the construction of a nuclear reactor that could be used on the moon and alter the way the agency will partner with industry to replace the ...

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

Sean Duffy, serving as interim NASA administrator, reportedly plans to direct the agency to develop a nuclear reactor for ...

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

The Trump administration has asked NASA staffers to draw up plans to end at least two satellite missions that measure carbon ...

NASA astronaut Don Pettit shares a long-exposure photograph that captured the curve of Earth, the glow of the planet's ...

In a laboratory more than 249 miles above Earth, a new generation of cancer research is unfolding. A biotech startup is harnessing the microgravity environment of ...

Bacteria sent up includes E. coli — which is responsible for hundreds of thousands of cases of stomach illnesses each year in ...

Running a day late, a SpaceX Falcon 9 rocket launched Friday on a mission to deliver a fresh three-man one-woman crew to the ...

SpaceX delivered a fresh crew to the International Space Station on Saturday, making the trip in a quick 15 hours.

NASA launched a SpaceX rocket carrying astronauts to the International Space Station. The flight includes astronauts ...