Could a Nuclear Thermal Rocket Engine Power a Trip to Mars? NASA and DARPA Are Testing

NASA to Work with Military Agency on Nuclear Rocket Test Flight

NASA and DARPA are cautioned against overselling the performance of their nuclear rocket tech - Aerospace America

Optimized Nuclear Thermal Rocket for 45 Days to Mars

NASA's 'Nuclear Option' May Be Crucial for Getting Humans to Mars

NASA and DARPA to Test Nuclear-Powered Rocket for Future Mars Missions - Mars Gazette

NASA Punts Over SLS With A Nuclear Rocket Solution For The Journey To Mars - NASA Watch

Nuclear thermal rocket - Wikipedia

NASA Announces Successful Test of New Propulsion Technology

U.S. to test nuclear-powered spacecraft by 2027

NASA DARPA Nuclear Rocket Mars

US government is developing a nuclear rocket to send satellites between Earth and the Moon