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

NASA's interim administrator, Sean Duffy, has unveiled an ambitious directive to fast-track a 100-kilowatt nuclear reactor ...

U.S. President Donald Trump is urging China and India to stop buying oil from Russia. He aims to pressure Russian President ...

The acceleration of nuclear development is part of the Trump administration’s efforts to focus NASA on human spaceflight. A ...

NASA appeared to downplay the meeting, but Russia suggested further cooperation may be possible beyond near-Earth space.

The United States and China aren't the only powerful, wealthy nations in the world, and they're certainly not the only ...

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 ...

This image made from video provided by NASA and SpaceX shows the docked SpaceX capsule to the International Space Station ...

CAPE CANAVERAL, Fla. — Astronauts sidelined for the past year by Boeing’s Starliner trouble blasted off to the International Space Station on Friday, getting a lift from SpaceX.