Nuclear pulse propulsion is a technology that would work. It was being developed in the 1960s but it was stopped because of the nuclear test ban treaty and concerns over fallout inside the ...
Project Orion explored a 4,000-ton spacecraft carrying around 120 crew members, six landing craft, heavy cannons, nuclear ...
If we achieve advanced nuclear, antimatter propulsion or other advance propulsion it would be possible to achieve near constant acceleration. This would enable travel times to Mars in the 3-8 day ...