Nuclear thermal rocket - Wikipedia

NERVA - Wikipedia

Nuclear power in space - Wikipedia

Made some Nuclear Thermal Rockets (USI Mods). : r/KerbalSpaceProgram

Is it possible to make a nuclear powered engine for space travel

NERVA - Wikipedia

Nuclear pulse propulsion - Wikipedia

To safely explore the solar system and beyond, spaceships need to

Rocket engine - Wikipedia

Nuclear power in space - Wikipedia

How the Atom Can Split Martian Travel Time - by J.K. Lund

Nuclear Rocket - Propulsion 2 - Aerospace Notes

NASA team pushing towards thermal nuclear propulsion systems

Nuclear rocket engines were studied by NASA as part of project