Large-capacity nuclear submarines represent the pinnacle of modern naval power, combining immense size, firepower, and ...

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 ...

The study, presented at the 56th Lunar and Planetary Science Conference (LPSC 2025) delves into the reliability of fission propulsion systems and also touches on the finances of deep space missions.

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

The Defense Advanced Research Projects Agency (DARPA) has picked three big space companies for the first phase of a larger project to test nuclear propulsion above low Earth orbit by 2025.

Nuclear thermal propulsion systems operate in a similar way, but they use a different nuclear fuel that has more uranium-235. They also operate at a much higher temperature, which makes them extremely ...

An artist’s conception shows a nuclear thermal propulsion system at work in orbit (USNC-Tech Illustration) As more and more hardware goes into Earth orbit, and eventually to the moon and Mars ...

Using nuclear propulsion technologies to support a human mission to Mars in 2039 will require NASA to pursue an aggressive and urgent technology development program, says a new report from the ...

A consortium led by Belgian engineering firm Tractebel has completed the European Space Agency-commissioned RocketRoll project on nuclear electric propulsion for space exploration. The consortium has ...

The U.S. Defense Innovation Unit has awarded two contracts for nuclear propulsion and power systems in space by 2027.

Nuclear propulsion systems will not activate during launch.Despite the name, nuclear-propelled, human-crewed spacecrafts will have one big asterisk; they will be launched with chemical propulsion ...

Iranian President Hassan Rouhani ordered the development of a nuclear-propulsion system for ships, describing the move as a response to the recent extension of sanctions by the U.S. Congress. He ...