Every year, companies and space agencies launch hundreds of rockets into space—and that number is set to grow dramatically ...

This relatively long transit time is a result of the use of traditional chemical rocket fuel. An alternative technology to the chemically propelled rockets the agency develops now is called nuclear ...

NASA plans to send crewed missions to Mars over the next decade – but the 140 million-mile (225 million-kilometer) journey to the red planet could take several months to years round trip. This ...

I’ve grown up with rockets that burn chemical fuel, but NASA’s next big leap in propulsion could make those engines look as ...

Lightbridge Corporation has officially commenced the irradiation testing of its enriched uranium-zirconium alloy fuel ...

There have been full scale nuclear thermal rocket engines built and tested on the ground since the 1960s. The US had the NERVA project. The attraction is that the ISP would be up to triple the ISP of ...

Lightbridge has begun irradiation testing of its enriched uranium-zirconium fuel at INL, advancing its path toward commercial ...

RESTON, Va., Nov. 05, 2025 (GLOBE NEWSWIRE) -- Lightbridge Corporation (“Lightbridge” or the “Company”) (Nasdaq: LTBR), an advanced nuclear fuel technology company, today announced the presentation of ...

General Atomics and NASA have successfully tested a new type of nuclear thermal propulsion reactor fuel at the NASA Marshall Space Flight Center in Alabama. The new fuel could help power propulsion ...

Samples of enriched uranium-zirconium alloy fuel material are being irradiated in the lab's Advanced Test Reactor, a ...

Lightbridge offers high-potential nuclear fuel innovation, but remains pre-revenue with rising losses and no commercial contracts yet. Solid cash reserves allow at least two years of runway, but ...

Lightbridge's advanced nuclear fuel technology has completed the final design review for its upcoming irradiation experiment at Idaho National Laboratory - and expects to benefit from a groundbreaking ...