NASA’s announcement Tuesday that it will “pause” work on a lunar space station and focus on building a surface base on the Moon was no big surprise to anyone paying attention to the Trump ...

Matter-antimatter annihilations produce about 10 billion times more energy per unit mass than chemical combustion (which ...

For years, nuclear propulsion sat in the same category as so many ambitious space ideas, impressive on paper, always a few steps away from reality. Now NASA says that changes in 2028. The agency plans ...

The agency wants to fly it to Mars by the end of 2028. Experts say that’s … ambitious. MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you ...

Nuclear spaceship is now on NASA’s actual roadmap with a launch target before the end of the decade. The agency just unveiled plans for SR-1 (Space Reactor-1 Freedom), a nuclear-powered spacecraft ...

NASA engineers recently tested a next-generation electric propulsion system that could one day power a crewed mission to Mars. NASA fired up a prototype of its electromagnetic thruster inside a vacuum ...

Nasa is developing ways to use nuclear power to send spacecraft to their destinations. Nuclear propulsion could greatly reduce the journey time to Mars, perhaps cutting a voyage of more than six ...

For years, scientists have searched for faster and more efficient ways to travel through space. Now NASA believes a new type of electric engine could help solve part of that problem. Researchers ...

The White House has announced that NASA will work with the Departments of Defense and Energy to put nuclear reactors in orbit and on the surface of the moon. Having demonstrated that it has the ...

With NASA’s Artemis II—the first crewed lunar flyby in more than 50 years—successfully completed, attention is now turning to what’s next: establishing an enduring presence on the moon. Through a ...