Nuclear microreactors developed separately by Westinghouse and Radiant are poised to become the first fueled designs tested ...

The 156-foot-long five-segment solid rocket motor produced upwards of 4 million pounds of thrust during the test.

A DARPA official said the agency canceled a space nuclear propulsion project it was jointly developing with NASA as it was ...

Scientists have proposed two experimental spacecraft that could reach one of the farthest known objects in the solar system ...

Seventy years ago, on September 17, 1955, a modified Convair B-36 departed Carswell Air Force Base in Texas. Legendary U.S.

US team develops scalable, safe nuclear fuel recycling using advanced tech to cut waste and boost energy recovery.

In the 1950s, the U.S. began focusing on nuclear propulsion as an effective way to power space exploration with projects ...

As we set our sights on crewed Mars missions, we're going to have to consider some next-level rocket engines. One idea with a ...

Discover how NASA’s MARVL project is revolutionizing Mars missions with robot-assembled nuclear propulsion systems built in ...

Scientists and engineers are diligently working on innovative concepts to make the next era of human spaceflight more powerful and more efficient using nuclear propulsion. One of these designs, known ...

NASA's initiatives to pioneer next-generation space technologies are also hit hard in the White House's budget proposal. If the Trump administration gets its way, NASA's Space Technology Mission ...

More information: Dale Thomas et al, Addressing challenges to engineering feasibility of the centrifugal nuclear thermal rocket, Acta Astronautica (2025). DOI: 10.1016/j.actaastro.2025.05.007 ...