NASA engineers have completed first cold-flow tests of a full-scale nuclear thermal propulsion reactor, validating designs ...

Nuclear propulsion and power technologies could unlock new frontiers in missions to the moon, Mars, and beyond. NASA has reached an important milestone advancing nuclear propulsion that could benefit ...

Cold-flow tests at NASA Marshall demonstrated the stability of a nuclear propulsion design aimed at reducing travel times to the moon and Mars.

The U.S. military will launch an unarmed nuclear missile across the Pacific Ocean overnight Nov. 4, in a pre-planned firing that marks the Pentagon’s first weapons test since President Donald Trump ...

NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft. It is an attempt to rewrite the basic rules of how far, how fast, and how ...

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is ...