28386380 story Project Bifrost: (Fission) Rockets of the Future? 148 Posted by timothy on Saturday January 21, 2012 @05:32AM from the ok-but-you-kids-be-careful dept. astroengine writes "Researchers from Icarus Interstellar Inc. and General Propulsion Science have announced their intention to pursue the development of Nuclear Thermal Rockets and other fission-based space technologies. The aim? To revolutionize space travel, ultimately paving the way to the goal of sending a probe to another star."