Advanced Propulsion Laboratory at Applied Physics – A cadre of scientists and engineers dedicated to leveraging cutting-edge methods in general relativity to pioneer new propulsion methods by manipulating spacetime itself, like Warp Drive Research.
A list of books, papers and other resources for anyone interested in breakthrough propulsion physics or a desire to become a propulsion physicist: Advanced Propulsion Resources by Paul Titze.
April 2023 summary of entities working on fusion propulsion for space applications
NASA Space Technology Mission Directorate (STMD) and DARPA have signed an agreement to collaborate on a flight demonstration of nuclear thermal propulsion through DARPA’s Demonstration Rocket for Agile Cislunar Operations (DRACO) program.
Historical review of starship designs by Adam Crowl (Starship Pioneers).
Princeton Satellite System’s Direct Fusion Drive
Space Studies Institute Advanced Propulsion Workshop 2020
Winchell D. Chung Jr.’s (aka Nyrath the nearly wise) website Atomic Rockets
Alternative Propulsion Engineering Conference (APEC) is an open, community-based conference bringing together scientists, engineers & innovators in a supportive, open forum to discuss research into emerging propulsion technologies