Novel propulsion ideas for moving around space seem like they're a dime a dozen recently. Besides the typical argument between solar sails and chemical propulsion lies a potential third way—a nuclear ...

A new technology, the Fission Fragment Rocket Engine (FFRE), requires small amounts of readily available, energy dense, long lasting fuel, significant thrust at specific impulse of a million seconds, ...

If you ask some people, humanity has more than proven its worth as a space-faring species. In a few short decades, we’ve gone from flying piston aircraft in our own atmosphere to sending people and ...

A nuclear fission fragment rocket engine (FFRE) that is exponentially more propellent efficient than rocket engines currently used to power today’s space vehicles and could eventually achieve very ...

The NASA Innovative Advanced Concepts program recently awarded grants to different companies for the development of future explorations in space, including a company called Positron Dynamics. This ...